diff --git a/backend-node/src/controllers/adminController.ts b/backend-node/src/controllers/adminController.ts
index a28712c1..c8e8ce82 100644
--- a/backend-node/src/controllers/adminController.ts
+++ b/backend-node/src/controllers/adminController.ts
@@ -3245,6 +3245,7 @@ export const resetUserPassword = async (
 
 /**
  * 테이블 스키마 조회 (엑셀 업로드 컬럼 매핑용)
+ * column_labels 테이블에서 라벨 정보도 함께 가져옴
  */
 export async function getTableSchema(
   req: AuthenticatedRequest,
@@ -3264,20 +3265,25 @@ export async function getTableSchema(
 
     logger.info("테이블 스키마 조회", { tableName, companyCode });
 
-    // information_schema에서 컬럼 정보 가져오기
+    // information_schema와 column_labels를 JOIN하여 컬럼 정보와 라벨 정보 함께 가져오기
     const schemaQuery = `
       SELECT 
-        column_name,
-        data_type,
-        is_nullable,
-        column_default,
-        character_maximum_length,
-        numeric_precision,
-        numeric_scale
-      FROM information_schema.columns
-      WHERE table_schema = 'public'
-        AND table_name = $1
-      ORDER BY ordinal_position
+        ic.column_name,
+        ic.data_type,
+        ic.is_nullable,
+        ic.column_default,
+        ic.character_maximum_length,
+        ic.numeric_precision,
+        ic.numeric_scale,
+        cl.column_label,
+        cl.display_order
+      FROM information_schema.columns ic
+      LEFT JOIN column_labels cl 
+        ON cl.table_name = ic.table_name 
+        AND cl.column_name = ic.column_name
+      WHERE ic.table_schema = 'public'
+        AND ic.table_name = $1
+      ORDER BY COALESCE(cl.display_order, ic.ordinal_position), ic.ordinal_position
     `;
 
     const columns = await query<any>(schemaQuery, [tableName]);
@@ -3290,9 +3296,10 @@ export async function getTableSchema(
       return;
     }
 
-    // 컬럼 정보를 간단한 형태로 변환
+    // 컬럼 정보를 간단한 형태로 변환 (라벨 정보 포함)
     const columnList = columns.map((col: any) => ({
       name: col.column_name,
+      label: col.column_label || col.column_name, // 라벨이 없으면 컬럼명 사용
       type: col.data_type,
       nullable: col.is_nullable === "YES",
       default: col.column_default,
diff --git a/frontend/app/(main)/screens/[screenId]/page.tsx b/frontend/app/(main)/screens/[screenId]/page.tsx
index 8510d627..dffbd75b 100644
--- a/frontend/app/(main)/screens/[screenId]/page.tsx
+++ b/frontend/app/(main)/screens/[screenId]/page.tsx
@@ -18,10 +18,11 @@ import { DynamicComponentRenderer } from "@/lib/registry/DynamicComponentRendere
 import { ScreenPreviewProvider } from "@/contexts/ScreenPreviewContext";
 import { useAuth } from "@/hooks/useAuth"; // 🆕 사용자 정보
 import { useResponsive } from "@/lib/hooks/useResponsive"; // 🆕 반응형 감지
-import { TableOptionsProvider } from "@/contexts/TableOptionsContext"; // 🆕 테이블 옵션
-import { TableSearchWidgetHeightProvider, useTableSearchWidgetHeight } from "@/contexts/TableSearchWidgetHeightContext"; // 🆕 높이 관리
-import { ScreenContextProvider } from "@/contexts/ScreenContext"; // 🆕 컴포넌트 간 통신
-import { SplitPanelProvider } from "@/lib/registry/components/split-panel-layout/SplitPanelContext"; // 🆕 분할 패널 리사이즈
+import { TableOptionsProvider } from "@/contexts/TableOptionsContext"; // 테이블 옵션
+import { TableSearchWidgetHeightProvider, useTableSearchWidgetHeight } from "@/contexts/TableSearchWidgetHeightContext"; // 높이 관리
+import { ScreenContextProvider } from "@/contexts/ScreenContext"; // 컴포넌트 간 통신
+import { SplitPanelProvider } from "@/lib/registry/components/split-panel-layout/SplitPanelContext"; // 분할 패널 리사이즈
+import { ActiveTabProvider } from "@/contexts/ActiveTabContext"; // 활성 탭 관리
 
 function ScreenViewPage() {
   const params = useParams();
@@ -307,7 +308,8 @@ function ScreenViewPage() {
 
   return (
     <ScreenPreviewProvider isPreviewMode={false}>
-      <TableOptionsProvider>
+      <ActiveTabProvider>
+        <TableOptionsProvider>
         <div ref={containerRef} className="bg-background h-full w-full overflow-auto p-3">
           {/* 레이아웃 준비 중 로딩 표시 */}
           {!layoutReady && (
@@ -786,7 +788,8 @@ function ScreenViewPage() {
             }}
           />
         </div>
-      </TableOptionsProvider>
+        </TableOptionsProvider>
+      </ActiveTabProvider>
     </ScreenPreviewProvider>
   );
 }
diff --git a/frontend/components/common/ExcelUploadModal.tsx b/frontend/components/common/ExcelUploadModal.tsx
index 0f080bcc..a4a17274 100644
--- a/frontend/components/common/ExcelUploadModal.tsx
+++ b/frontend/components/common/ExcelUploadModal.tsx
@@ -29,7 +29,6 @@ import {
   Plus,
   Minus,
   ArrowRight,
-  Save,
   Zap,
 } from "lucide-react";
 import { importFromExcel, getExcelSheetNames } from "@/lib/utils/excelExport";
@@ -52,12 +51,6 @@ interface ColumnMapping {
   systemColumn: string | null;
 }
 
-interface UploadConfig {
-  name: string;
-  type: string;
-  mappings: ColumnMapping[];
-}
-
 export const ExcelUploadModal: React.FC<ExcelUploadModalProps> = ({
   open,
   onOpenChange,
@@ -88,8 +81,6 @@ export const ExcelUploadModal: React.FC<ExcelUploadModalProps> = ({
   const [excelColumns, setExcelColumns] = useState<string[]>([]);
   const [systemColumns, setSystemColumns] = useState<TableColumn[]>([]);
   const [columnMappings, setColumnMappings] = useState<ColumnMapping[]>([]);
-  const [configName, setConfigName] = useState<string>("");
-  const [configType, setConfigType] = useState<string>("");
 
   // 4단계: 확인
   const [isUploading, setIsUploading] = useState(false);
@@ -114,7 +105,7 @@ export const ExcelUploadModal: React.FC<ExcelUploadModalProps> = ({
 
       const data = await importFromExcel(selectedFile, sheets[0]);
       setAllData(data);
-      setDisplayData(data.slice(0, 10));
+      setDisplayData(data); // 전체 데이터를 미리보기에 표시 (스크롤 가능)
 
       if (data.length > 0) {
         const columns = Object.keys(data[0]);
@@ -139,7 +130,7 @@ export const ExcelUploadModal: React.FC<ExcelUploadModalProps> = ({
     try {
       const data = await importFromExcel(file, sheetName);
       setAllData(data);
-      setDisplayData(data.slice(0, 10));
+      setDisplayData(data); // 전체 데이터를 미리보기에 표시 (스크롤 가능)
 
       if (data.length > 0) {
         const columns = Object.keys(data[0]);
@@ -236,13 +227,23 @@ export const ExcelUploadModal: React.FC<ExcelUploadModalProps> = ({
     }
   };
 
-  // 자동 매핑
+  // 자동 매핑 - 컬럼명과 라벨 모두 비교
   const handleAutoMapping = () => {
     const newMappings = excelColumns.map((excelCol) => {
-      const matchedSystemCol = systemColumns.find(
-        (sysCol) => sysCol.name.toLowerCase() === excelCol.toLowerCase()
+      const normalizedExcelCol = excelCol.toLowerCase().trim();
+      
+      // 1. 먼저 라벨로 매칭 시도
+      let matchedSystemCol = systemColumns.find(
+        (sysCol) => sysCol.label && sysCol.label.toLowerCase().trim() === normalizedExcelCol
       );
 
+      // 2. 라벨로 매칭되지 않으면 컬럼명으로 매칭 시도
+      if (!matchedSystemCol) {
+        matchedSystemCol = systemColumns.find(
+          (sysCol) => sysCol.name.toLowerCase().trim() === normalizedExcelCol
+        );
+      }
+
       return {
         excelColumn: excelCol,
         systemColumn: matchedSystemCol ? matchedSystemCol.name : null,
@@ -265,28 +266,6 @@ export const ExcelUploadModal: React.FC<ExcelUploadModalProps> = ({
     );
   };
 
-  // 설정 저장
-  const handleSaveConfig = () => {
-    if (!configName.trim()) {
-      toast.error("거래처명을 입력해주세요.");
-      return;
-    }
-
-    const config: UploadConfig = {
-      name: configName,
-      type: configType,
-      mappings: columnMappings,
-    };
-
-    const savedConfigs = JSON.parse(
-      localStorage.getItem("excelUploadConfigs") || "[]"
-    );
-    savedConfigs.push(config);
-    localStorage.setItem("excelUploadConfigs", JSON.stringify(savedConfigs));
-
-    toast.success("설정이 저장되었습니다.");
-  };
-
   // 다음 단계
   const handleNext = () => {
     if (currentStep === 1 && !file) {
@@ -317,7 +296,8 @@ export const ExcelUploadModal: React.FC<ExcelUploadModalProps> = ({
     setIsUploading(true);
 
     try {
-      const mappedData = displayData.map((row) => {
+      // allData를 사용하여 전체 데이터 업로드 (displayData는 미리보기용 10개만)
+      const mappedData = allData.map((row) => {
         const mappedRow: Record<string, any> = {};
         columnMappings.forEach((mapping) => {
           if (mapping.systemColumn) {
@@ -379,8 +359,6 @@ export const ExcelUploadModal: React.FC<ExcelUploadModalProps> = ({
       setExcelColumns([]);
       setSystemColumns([]);
       setColumnMappings([]);
-      setConfigName("");
-      setConfigType("");
     }
   }, [open]);
 
@@ -689,27 +667,25 @@ export const ExcelUploadModal: React.FC<ExcelUploadModalProps> = ({
             </div>
           )}
 
-          {/* 3단계: 컬럼 매핑 - 3단 레이아웃 */}
+          {/* 3단계: 컬럼 매핑 */}
           {currentStep === 3 && (
-            <div className="grid grid-cols-1 gap-4 lg:grid-cols-[2fr_3fr_2fr]">
-              {/* 왼쪽: 컬럼 매핑 설정 제목 + 자동 매핑 버튼 */}
-              <div className="space-y-4">
-                <div>
-                  <h3 className="mb-3 text-sm font-semibold sm:text-base">컬럼 매핑 설정</h3>
-                  <Button
-                    type="button"
-                    variant="default"
-                    size="sm"
-                    onClick={handleAutoMapping}
-                    className="h-8 w-full text-xs sm:h-9 sm:text-sm"
-                  >
-                    <Zap className="mr-2 h-4 w-4" />
-                    자동 매핑
-                  </Button>
-                </div>
+            <div className="space-y-4">
+              {/* 상단: 제목 + 자동 매핑 버튼 */}
+              <div className="flex items-center justify-between">
+                <h3 className="text-sm font-semibold sm:text-base">컬럼 매핑 설정</h3>
+                <Button
+                  type="button"
+                  variant="default"
+                  size="sm"
+                  onClick={handleAutoMapping}
+                  className="h-8 text-xs sm:h-9 sm:text-sm"
+                >
+                  <Zap className="mr-2 h-4 w-4" />
+                  자동 매핑
+                </Button>
               </div>
 
-              {/* 중앙: 매핑 리스트 */}
+              {/* 매핑 리스트 */}
               <div className="space-y-2">
                 <div className="grid grid-cols-[1fr_auto_1fr] gap-2 text-[10px] font-medium text-muted-foreground sm:text-xs">
                   <div>엑셀 컬럼</div>
@@ -734,7 +710,14 @@ export const ExcelUploadModal: React.FC<ExcelUploadModalProps> = ({
                         }
                       >
                         <SelectTrigger className="h-8 text-xs sm:h-10 sm:text-sm">
-                          <SelectValue placeholder="매핑 안함" />
+                          <SelectValue placeholder="매핑 안함">
+                            {mapping.systemColumn
+                              ? (() => {
+                                  const col = systemColumns.find(c => c.name === mapping.systemColumn);
+                                  return col?.label || mapping.systemColumn;
+                                })()
+                              : "매핑 안함"}
+                          </SelectValue>
                         </SelectTrigger>
                         <SelectContent>
                           <SelectItem value="none" className="text-xs sm:text-sm">
@@ -746,7 +729,7 @@ export const ExcelUploadModal: React.FC<ExcelUploadModalProps> = ({
                               value={col.name}
                               className="text-xs sm:text-sm"
                             >
-                              {col.name} ({col.type})
+                              {col.label || col.name} ({col.type})
                             </SelectItem>
                           ))}
                         </SelectContent>
@@ -755,50 +738,6 @@ export const ExcelUploadModal: React.FC<ExcelUploadModalProps> = ({
                   ))}
                 </div>
               </div>
-
-              {/* 오른쪽: 현재 설정 저장 */}
-              <div className="rounded-md border border-border bg-muted/30 p-4">
-                <div className="mb-4 flex items-center gap-2">
-                  <Save className="h-4 w-4" />
-                  <h3 className="text-sm font-semibold sm:text-base">현재 설정 저장</h3>
-                </div>
-                <div className="space-y-3">
-                  <div>
-                    <Label htmlFor="config-name" className="text-[10px] sm:text-xs">
-                      거래처명 *
-                    </Label>
-                    <Input
-                      id="config-name"
-                      value={configName}
-                      onChange={(e) => setConfigName(e.target.value)}
-                      placeholder="거래처 선택"
-                      className="mt-1 h-8 text-xs sm:h-10 sm:text-sm"
-                    />
-                  </div>
-                  <div>
-                    <Label htmlFor="config-type" className="text-[10px] sm:text-xs">
-                      유형
-                    </Label>
-                    <Input
-                      id="config-type"
-                      value={configType}
-                      onChange={(e) => setConfigType(e.target.value)}
-                      placeholder="유형을 입력하세요 (예: 원자재)"
-                      className="mt-1 h-8 text-xs sm:h-10 sm:text-sm"
-                    />
-                  </div>
-                  <Button
-                    type="button"
-                    variant="default"
-                    size="sm"
-                    onClick={handleSaveConfig}
-                    className="h-8 w-full text-xs sm:h-9 sm:text-sm"
-                  >
-                    <Save className="mr-2 h-3 w-3" />
-                    설정 저장
-                  </Button>
-                </div>
-              </div>
             </div>
           )}
 
@@ -815,7 +754,7 @@ export const ExcelUploadModal: React.FC<ExcelUploadModalProps> = ({
                     <span className="font-medium">시트:</span> {selectedSheet}
                   </p>
                   <p>
-                    <span className="font-medium">데이터 행:</span> {displayData.length}개
+                    <span className="font-medium">데이터 행:</span> {allData.length}개
                   </p>
                   <p>
                     <span className="font-medium">테이블:</span> {tableName}
diff --git a/frontend/components/common/ScreenModal.tsx b/frontend/components/common/ScreenModal.tsx
index 811249a7..cceadae9 100644
--- a/frontend/components/common/ScreenModal.tsx
+++ b/frontend/components/common/ScreenModal.tsx
@@ -12,6 +12,7 @@ import { useAuth } from "@/hooks/useAuth";
 import { TableOptionsProvider } from "@/contexts/TableOptionsContext";
 import { TableSearchWidgetHeightProvider } from "@/contexts/TableSearchWidgetHeightContext";
 import { useSplitPanelContext } from "@/contexts/SplitPanelContext";
+import { ActiveTabProvider } from "@/contexts/ActiveTabContext";
 
 interface ScreenModalState {
   isOpen: boolean;
@@ -666,6 +667,7 @@ export const ScreenModal: React.FC<ScreenModalProps> = ({ className }) => {
               </div>
             </div>
           ) : screenData ? (
+            <ActiveTabProvider>
             <TableOptionsProvider>
               <div
                 className="relative mx-auto bg-white"
@@ -738,6 +740,7 @@ export const ScreenModal: React.FC<ScreenModalProps> = ({ className }) => {
                 })}
               </div>
             </TableOptionsProvider>
+            </ActiveTabProvider>
           ) : (
             <div className="flex h-full items-center justify-center">
               <p className="text-muted-foreground">화면 데이터가 없습니다.</p>
diff --git a/frontend/components/screen/InteractiveScreenViewer.tsx b/frontend/components/screen/InteractiveScreenViewer.tsx
index 480b3ddd..376f9953 100644
--- a/frontend/components/screen/InteractiveScreenViewer.tsx
+++ b/frontend/components/screen/InteractiveScreenViewer.tsx
@@ -51,6 +51,7 @@ import { useScreenPreview } from "@/contexts/ScreenPreviewContext";
 import { TableOptionsProvider } from "@/contexts/TableOptionsContext";
 import { TableOptionsToolbar } from "./table-options/TableOptionsToolbar";
 import { SplitPanelProvider } from "@/lib/registry/components/split-panel-layout/SplitPanelContext";
+import { ActiveTabProvider } from "@/contexts/ActiveTabContext";
 
 /**
  * 🔗 연쇄 드롭다운 래퍼 컴포넌트
@@ -2103,7 +2104,8 @@ export const InteractiveScreenViewer: React.FC<InteractiveScreenViewerProps> = (
 
   return (
     <SplitPanelProvider>
-      <TableOptionsProvider>
+      <ActiveTabProvider>
+        <TableOptionsProvider>
         <div className="flex h-full flex-col">
           {/* 테이블 옵션 툴바 */}
           <TableOptionsToolbar />
@@ -2210,7 +2212,8 @@ export const InteractiveScreenViewer: React.FC<InteractiveScreenViewerProps> = (
             </div>
           </DialogContent>
         </Dialog>
-      </TableOptionsProvider>
+        </TableOptionsProvider>
+      </ActiveTabProvider>
     </SplitPanelProvider>
   );
 };
diff --git a/frontend/components/screen/InteractiveScreenViewerDynamic.tsx b/frontend/components/screen/InteractiveScreenViewerDynamic.tsx
index 5b09b092..4763507e 100644
--- a/frontend/components/screen/InteractiveScreenViewerDynamic.tsx
+++ b/frontend/components/screen/InteractiveScreenViewerDynamic.tsx
@@ -39,22 +39,25 @@ interface InteractiveScreenViewerProps {
     id: number;
     tableName?: string;
   };
-  menuObjid?: number; // 🆕 메뉴 OBJID (코드 스코프용)
+  menuObjid?: number; // 메뉴 OBJID (코드 스코프용)
   onSave?: () => Promise<void>;
   onRefresh?: () => void;
   onFlowRefresh?: () => void;
-  // 🆕 외부에서 전달받는 사용자 정보 (ScreenModal 등에서 사용)
+  // 외부에서 전달받는 사용자 정보 (ScreenModal 등에서 사용)
   userId?: string;
   userName?: string;
   companyCode?: string;
-  // 🆕 그룹 데이터 (EditModal에서 전달)
+  // 그룹 데이터 (EditModal에서 전달)
   groupedData?: Record<string, any>[];
-  // 🆕 비활성화할 필드 목록 (EditModal에서 전달)
+  // 비활성화할 필드 목록 (EditModal에서 전달)
   disabledFields?: string[];
-  // 🆕 EditModal 내부인지 여부 (button-primary가 EditModal의 handleSave 사용하도록)
+  // EditModal 내부인지 여부 (button-primary가 EditModal의 handleSave 사용하도록)
   isInModal?: boolean;
-  // 🆕 원본 데이터 (수정 모드에서 UPDATE 판단용)
+  // 원본 데이터 (수정 모드에서 UPDATE 판단용)
   originalData?: Record<string, any> | null;
+  // 탭 관련 정보 (탭 내부의 컴포넌트에서 사용)
+  parentTabId?: string;           // 부모 탭 ID
+  parentTabsComponentId?: string; // 부모 탭 컴포넌트 ID
 }
 
 export const InteractiveScreenViewerDynamic: React.FC<InteractiveScreenViewerProps> = ({
@@ -74,7 +77,9 @@ export const InteractiveScreenViewerDynamic: React.FC<InteractiveScreenViewerPro
   groupedData,
   disabledFields = [],
   isInModal = false,
-  originalData, // 🆕 원본 데이터 (수정 모드에서 UPDATE 판단용)
+  originalData,
+  parentTabId,
+  parentTabsComponentId,
 }) => {
   const { isPreviewMode } = useScreenPreview(); // 프리뷰 모드 확인
   const { userName: authUserName, user: authUser } = useAuth();
@@ -359,43 +364,43 @@ export const InteractiveScreenViewerDynamic: React.FC<InteractiveScreenViewerPro
           component={comp}
           isInteractive={true}
           formData={formData}
-          originalData={originalData || undefined} // 🆕 원본 데이터 전달 (UPDATE 판단용)
+          originalData={originalData || undefined}
           onFormDataChange={handleFormDataChange}
           screenId={screenInfo?.id}
           tableName={screenInfo?.tableName}
-          menuObjid={menuObjid} // 🆕 메뉴 OBJID 전달
-          userId={user?.userId} // ✅ 사용자 ID 전달
-          userName={user?.userName} // ✅ 사용자 이름 전달
-          companyCode={user?.companyCode} // ✅ 회사 코드 전달
-          onSave={onSave} // 🆕 EditModal의 handleSave 콜백 전달
-          allComponents={allComponents} // 🆕 같은 화면의 모든 컴포넌트 전달 (TableList 자동 감지용)
+          menuObjid={menuObjid}
+          userId={user?.userId}
+          userName={user?.userName}
+          companyCode={user?.companyCode}
+          onSave={onSave}
+          allComponents={allComponents}
           selectedRowsData={selectedRowsData}
           onSelectedRowsChange={(selectedRows, selectedData) => {
-            console.log("🔍 테이블에서 선택된 행 데이터:", selectedData);
+            console.log("테이블에서 선택된 행 데이터:", selectedData);
             setSelectedRowsData(selectedData);
           }}
-          // 🆕 그룹 데이터 전달 (EditModal → ModalRepeaterTable)
           groupedData={groupedData}
-          // 🆕 비활성화 필드 전달 (EditModal → 각 컴포넌트)
           disabledFields={disabledFields}
           flowSelectedData={flowSelectedData}
           flowSelectedStepId={flowSelectedStepId}
           onFlowSelectedDataChange={(selectedData, stepId) => {
-            console.log("🔍 플로우에서 선택된 데이터:", { selectedData, stepId });
+            console.log("플로우에서 선택된 데이터:", { selectedData, stepId });
             setFlowSelectedData(selectedData);
             setFlowSelectedStepId(stepId);
           }}
           onRefresh={
             onRefresh ||
             (() => {
-              // 부모로부터 전달받은 onRefresh 또는 기본 동작
-              console.log("🔄 InteractiveScreenViewerDynamic onRefresh 호출");
+              console.log("InteractiveScreenViewerDynamic onRefresh 호출");
             })
           }
           onFlowRefresh={onFlowRefresh}
           onClose={() => {
             // buttonActions.ts가 이미 처리함
           }}
+          // 탭 관련 정보 전달
+          parentTabId={parentTabId}
+          parentTabsComponentId={parentTabsComponentId}
         />
       );
     }
diff --git a/frontend/components/screen/ScreenDesigner.tsx b/frontend/components/screen/ScreenDesigner.tsx
index 3a440f07..d4cab3cf 100644
--- a/frontend/components/screen/ScreenDesigner.tsx
+++ b/frontend/components/screen/ScreenDesigner.tsx
@@ -958,6 +958,10 @@ export default function ScreenDesigner({ selectedScreen, onBackToList }: ScreenD
             characterMaximumLength: col.characterMaximumLength || col.character_maximum_length,
             codeCategory: col.codeCategory || col.code_category,
             codeValue: col.codeValue || col.code_value,
+            // 엔티티 타입용 참조 테이블 정보
+            referenceTable: col.referenceTable || col.reference_table,
+            referenceColumn: col.referenceColumn || col.reference_column,
+            displayColumn: col.displayColumn || col.display_column,
           };
         });
 
diff --git a/frontend/components/screen/config-panels/EntityConfigPanel.tsx b/frontend/components/screen/config-panels/EntityConfigPanel.tsx
index edb278f2..83773500 100644
--- a/frontend/components/screen/config-panels/EntityConfigPanel.tsx
+++ b/frontend/components/screen/config-panels/EntityConfigPanel.tsx
@@ -6,18 +6,10 @@ import { Input } from "@/components/ui/input";
 import { Label } from "@/components/ui/label";
 import { Switch } from "@/components/ui/switch";
 import { Select, SelectContent, SelectItem, SelectTrigger, SelectValue } from "@/components/ui/select";
-import { Button } from "@/components/ui/button";
-import { Textarea } from "@/components/ui/textarea";
-import { Database, Search, Plus, Trash2 } from "lucide-react";
+import { Database, Search, Info } from "lucide-react";
 import { WebTypeConfigPanelProps } from "@/lib/registry/types";
 import { WidgetComponent, EntityTypeConfig } from "@/types/screen";
-
-interface EntityField {
-  name: string;
-  label: string;
-  type: string;
-  visible: boolean;
-}
+import { tableTypeApi } from "@/lib/api/screen";
 
 export const EntityConfigPanel: React.FC<WebTypeConfigPanelProps> = ({
   component,
@@ -27,16 +19,31 @@ export const EntityConfigPanel: React.FC<WebTypeConfigPanelProps> = ({
   const widget = component as WidgetComponent;
   const config = (widget.webTypeConfig as EntityTypeConfig) || {};
 
-  // 로컬 상태
+  // 테이블 타입 관리에서 설정된 참조 테이블 정보
+  const [referenceInfo, setReferenceInfo] = useState<{
+    referenceTable: string;
+    referenceColumn: string;
+    displayColumn: string;
+    isLoading: boolean;
+    error: string | null;
+  }>({
+    referenceTable: "",
+    referenceColumn: "",
+    displayColumn: "",
+    isLoading: true,
+    error: null,
+  });
+
+  // 로컬 상태 (UI 관련 설정만)
   const [localConfig, setLocalConfig] = useState<EntityTypeConfig>({
     entityType: config.entityType || "",
     displayFields: config.displayFields || [],
     searchFields: config.searchFields || [],
-    valueField: config.valueField || "id",
-    labelField: config.labelField || "name",
+    valueField: config.valueField || "",
+    labelField: config.labelField || "",
     multiple: config.multiple || false,
-    searchable: config.searchable !== false, // 기본값 true
-    placeholder: config.placeholder || "엔티티를 선택하세요",
+    searchable: config.searchable !== false,
+    placeholder: config.placeholder || "항목을 선택하세요",
     emptyMessage: config.emptyMessage || "검색 결과가 없습니다",
     pageSize: config.pageSize || 20,
     minSearchLength: config.minSearchLength || 1,
@@ -47,10 +54,95 @@ export const EntityConfigPanel: React.FC<WebTypeConfigPanelProps> = ({
     filters: config.filters || {},
   });
 
-  // 새 필드 추가용 상태
-  const [newFieldName, setNewFieldName] = useState("");
-  const [newFieldLabel, setNewFieldLabel] = useState("");
-  const [newFieldType, setNewFieldType] = useState("string");
+  // 테이블 타입 관리에서 설정된 참조 테이블 정보 로드
+  useEffect(() => {
+    const loadReferenceInfo = async () => {
+      // 컴포넌트의 테이블명과 컬럼명이 있는 경우에만 조회
+      const tableName = widget.tableName;
+      const columnName = widget.columnName;
+
+      if (!tableName || !columnName) {
+        setReferenceInfo({
+          referenceTable: "",
+          referenceColumn: "",
+          displayColumn: "",
+          isLoading: false,
+          error: "테이블 또는 컬럼 정보가 없습니다.",
+        });
+        return;
+      }
+
+      try {
+        // 테이블 타입 관리에서 컬럼 정보 조회
+        const columns = await tableTypeApi.getColumns(tableName);
+        const columnInfo = columns.find((col: any) => 
+          (col.columnName || col.column_name) === columnName
+        );
+
+        if (columnInfo) {
+          const refTable = columnInfo.referenceTable || columnInfo.reference_table || "";
+          const refColumn = columnInfo.referenceColumn || columnInfo.reference_column || "";
+          const dispColumn = columnInfo.displayColumn || columnInfo.display_column || "";
+
+          // detailSettings에서도 정보 확인 (JSON 파싱)
+          let detailSettings: any = {};
+          if (columnInfo.detailSettings) {
+            try {
+              if (typeof columnInfo.detailSettings === 'string') {
+                detailSettings = JSON.parse(columnInfo.detailSettings);
+              } else {
+                detailSettings = columnInfo.detailSettings;
+              }
+            } catch {
+              // JSON 파싱 실패 시 무시
+            }
+          }
+
+          const finalRefTable = refTable || detailSettings.referenceTable || "";
+          const finalRefColumn = refColumn || detailSettings.referenceColumn || "";
+          const finalDispColumn = dispColumn || detailSettings.displayColumn || "";
+
+          setReferenceInfo({
+            referenceTable: finalRefTable,
+            referenceColumn: finalRefColumn,
+            displayColumn: finalDispColumn,
+            isLoading: false,
+            error: null,
+          });
+
+          // webTypeConfig에 참조 테이블 정보 자동 설정
+          if (finalRefTable) {
+            const newConfig = {
+              ...localConfig,
+              valueField: finalRefColumn || "id",
+              labelField: finalDispColumn || "name",
+            };
+            setLocalConfig(newConfig);
+            onUpdateProperty("webTypeConfig", newConfig);
+          }
+        } else {
+          setReferenceInfo({
+            referenceTable: "",
+            referenceColumn: "",
+            displayColumn: "",
+            isLoading: false,
+            error: "컬럼 정보를 찾을 수 없습니다.",
+          });
+        }
+      } catch (error) {
+        console.error("참조 테이블 정보 로드 실패:", error);
+        setReferenceInfo({
+          referenceTable: "",
+          referenceColumn: "",
+          displayColumn: "",
+          isLoading: false,
+          error: "참조 테이블 정보 로드 실패",
+        });
+      }
+    };
+
+    loadReferenceInfo();
+  }, [widget.tableName, widget.columnName]);
 
   // 컴포넌트 변경 시 로컬 상태 동기화
   useEffect(() => {
@@ -59,11 +151,11 @@ export const EntityConfigPanel: React.FC<WebTypeConfigPanelProps> = ({
       entityType: currentConfig.entityType || "",
       displayFields: currentConfig.displayFields || [],
       searchFields: currentConfig.searchFields || [],
-      valueField: currentConfig.valueField || "id",
-      labelField: currentConfig.labelField || "name",
+      valueField: currentConfig.valueField || referenceInfo.referenceColumn || "",
+      labelField: currentConfig.labelField || referenceInfo.displayColumn || "",
       multiple: currentConfig.multiple || false,
       searchable: currentConfig.searchable !== false,
-      placeholder: currentConfig.placeholder || "엔티티를 선택하세요",
+      placeholder: currentConfig.placeholder || "항목을 선택하세요",
       emptyMessage: currentConfig.emptyMessage || "검색 결과가 없습니다",
       pageSize: currentConfig.pageSize || 20,
       minSearchLength: currentConfig.minSearchLength || 1,
@@ -73,7 +165,7 @@ export const EntityConfigPanel: React.FC<WebTypeConfigPanelProps> = ({
       apiEndpoint: currentConfig.apiEndpoint || "",
       filters: currentConfig.filters || {},
     });
-  }, [widget.webTypeConfig]);
+  }, [widget.webTypeConfig, referenceInfo.referenceColumn, referenceInfo.displayColumn]);
 
   // 설정 업데이트 핸들러 (즉시 부모에게 전달 - 드롭다운, 체크박스 등)
   const updateConfig = (field: keyof EntityTypeConfig, value: any) => {
@@ -92,89 +184,6 @@ export const EntityConfigPanel: React.FC<WebTypeConfigPanelProps> = ({
     onUpdateProperty("webTypeConfig", localConfig);
   };
 
-  // 필드 추가
-  const addDisplayField = () => {
-    if (!newFieldName.trim() || !newFieldLabel.trim()) return;
-
-    const newField: EntityField = {
-      name: newFieldName.trim(),
-      label: newFieldLabel.trim(),
-      type: newFieldType,
-      visible: true,
-    };
-
-    const newFields = [...localConfig.displayFields, newField];
-    updateConfig("displayFields", newFields);
-    setNewFieldName("");
-    setNewFieldLabel("");
-    setNewFieldType("string");
-  };
-
-  // 필드 제거
-  const removeDisplayField = (index: number) => {
-    const newFields = localConfig.displayFields.filter((_, i) => i !== index);
-    updateConfig("displayFields", newFields);
-  };
-
-  // 필드 업데이트 (입력 중) - 로컬 상태만 업데이트
-  const updateDisplayField = (index: number, field: keyof EntityField, value: any) => {
-    const newFields = [...localConfig.displayFields];
-    newFields[index] = { ...newFields[index], [field]: value };
-    setLocalConfig({ ...localConfig, displayFields: newFields });
-  };
-
-  // 필드 업데이트 완료 (onBlur) - 부모에게 전달
-  const handleFieldBlur = () => {
-    onUpdateProperty("webTypeConfig", localConfig);
-  };
-
-  // 검색 필드 토글
-  const toggleSearchField = (fieldName: string) => {
-    const currentSearchFields = localConfig.searchFields || [];
-    const newSearchFields = currentSearchFields.includes(fieldName)
-      ? currentSearchFields.filter((f) => f !== fieldName)
-      : [...currentSearchFields, fieldName];
-    updateConfig("searchFields", newSearchFields);
-  };
-
-  // 기본 엔티티 타입들
-  const commonEntityTypes = [
-    { value: "user", label: "사용자", fields: ["id", "name", "email", "department"] },
-    { value: "department", label: "부서", fields: ["id", "name", "code", "parentId"] },
-    { value: "product", label: "제품", fields: ["id", "name", "code", "category", "price"] },
-    { value: "customer", label: "고객", fields: ["id", "name", "company", "contact"] },
-    { value: "project", label: "프로젝트", fields: ["id", "name", "status", "manager", "startDate"] },
-  ];
-
-  // 기본 엔티티 타입 적용
-  const applyEntityType = (entityType: string) => {
-    const entityConfig = commonEntityTypes.find((e) => e.value === entityType);
-    if (!entityConfig) return;
-
-    updateConfig("entityType", entityType);
-    updateConfig("apiEndpoint", `/api/entities/${entityType}`);
-
-    const defaultFields: EntityField[] = entityConfig.fields.map((field) => ({
-      name: field,
-      label: field.charAt(0).toUpperCase() + field.slice(1),
-      type: field.includes("Date") ? "date" : field.includes("price") || field.includes("Id") ? "number" : "string",
-      visible: true,
-    }));
-
-    updateConfig("displayFields", defaultFields);
-    updateConfig("searchFields", [entityConfig.fields[1] || "name"]); // 두 번째 필드를 기본 검색 필드로
-  };
-
-  // 필드 타입 옵션
-  const fieldTypes = [
-    { value: "string", label: "문자열" },
-    { value: "number", label: "숫자" },
-    { value: "date", label: "날짜" },
-    { value: "boolean", label: "불린" },
-    { value: "email", label: "이메일" },
-    { value: "url", label: "URL" },
-  ];
-
   return (
     <Card>
       <CardHeader>
@@ -182,12 +191,70 @@ export const EntityConfigPanel: React.FC<WebTypeConfigPanelProps> = ({
           <Database className="h-4 w-4" />
           엔티티 설정
         </CardTitle>
-        <CardDescription className="text-xs">데이터베이스 엔티티 선택 필드의 설정을 관리합니다.</CardDescription>
+        <CardDescription className="text-xs">
+          데이터베이스 엔티티 선택 필드의 설정을 관리합니다.
+        </CardDescription>
       </CardHeader>
       <CardContent className="space-y-4">
-        {/* 기본 설정 */}
+        {/* 참조 테이블 정보 (테이블 타입 관리에서 설정된 값 - 읽기 전용) */}
         <div className="space-y-3">
-          <h4 className="text-sm font-medium">기본 설정</h4>
+          <h4 className="text-sm font-medium flex items-center gap-2">
+            참조 테이블 정보
+            <span className="bg-muted text-muted-foreground px-1.5 py-0.5 rounded text-[10px]">
+              테이블 타입 관리에서 설정
+            </span>
+          </h4>
+
+          {referenceInfo.isLoading ? (
+            <div className="bg-muted/50 rounded-md border p-3">
+              <p className="text-xs text-muted-foreground">참조 테이블 정보 로딩 중...</p>
+            </div>
+          ) : referenceInfo.error ? (
+            <div className="bg-destructive/10 rounded-md border border-destructive/20 p-3">
+              <p className="text-xs text-destructive flex items-center gap-1">
+                <Info className="h-3 w-3" />
+                {referenceInfo.error}
+              </p>
+              <p className="text-[10px] text-muted-foreground mt-1">
+                테이블 타입 관리에서 이 컬럼의 참조 테이블을 먼저 설정해주세요.
+              </p>
+            </div>
+          ) : !referenceInfo.referenceTable ? (
+            <div className="bg-amber-500/10 rounded-md border border-amber-500/20 p-3">
+              <p className="text-xs text-amber-700 flex items-center gap-1">
+                <Info className="h-3 w-3" />
+                참조 테이블이 설정되지 않았습니다.
+              </p>
+              <p className="text-[10px] text-muted-foreground mt-1">
+                테이블 타입 관리에서 이 컬럼의 참조 테이블을 먼저 설정해주세요.
+              </p>
+            </div>
+          ) : (
+            <div className="bg-muted/50 rounded-md border p-3 space-y-2">
+              <div className="grid grid-cols-3 gap-2 text-xs">
+                <div>
+                  <span className="text-muted-foreground">참조 테이블:</span>
+                  <div className="font-medium">{referenceInfo.referenceTable}</div>
+                </div>
+                <div>
+                  <span className="text-muted-foreground">참조 컬럼:</span>
+                  <div className="font-medium">{referenceInfo.referenceColumn || "-"}</div>
+                </div>
+                <div>
+                  <span className="text-muted-foreground">표시 컬럼:</span>
+                  <div className="font-medium">{referenceInfo.displayColumn || "-"}</div>
+                </div>
+              </div>
+              <p className="text-[10px] text-muted-foreground">
+                이 정보는 테이블 타입 관리에서 변경할 수 있습니다.
+              </p>
+            </div>
+          )}
+        </div>
+
+        {/* UI 모드 설정 */}
+        <div className="space-y-3">
+          <h4 className="text-sm font-medium">UI 설정</h4>
 
           {/* UI 모드 선택 */}
           <div className="space-y-2">
@@ -216,208 +283,6 @@ export const EntityConfigPanel: React.FC<WebTypeConfigPanelProps> = ({
             </p>
           </div>
 
-          <div className="space-y-2">
-            <Label htmlFor="entityType" className="text-xs">
-              엔티티 타입
-            </Label>
-            <Input
-              id="entityType"
-              value={localConfig.entityType || ""}
-              onChange={(e) => updateConfigLocal("entityType", e.target.value)}
-              onBlur={handleInputBlur}
-              placeholder="user, product, department..."
-              className="text-xs"
-            />
-          </div>
-
-          <div className="space-y-2">
-            <Label className="text-xs">기본 엔티티 타입</Label>
-            <div className="grid grid-cols-2 gap-2">
-              {commonEntityTypes.map((entity) => (
-                <Button
-                  key={entity.value}
-                  size="sm"
-                  variant="outline"
-                  onClick={() => applyEntityType(entity.value)}
-                  className="text-xs"
-                >
-                  {entity.label}
-                </Button>
-              ))}
-            </div>
-          </div>
-
-          <div className="space-y-2">
-            <Label htmlFor="apiEndpoint" className="text-xs">
-              API 엔드포인트
-            </Label>
-            <Input
-              id="apiEndpoint"
-              value={localConfig.apiEndpoint || ""}
-              onChange={(e) => updateConfigLocal("apiEndpoint", e.target.value)}
-              onBlur={handleInputBlur}
-              placeholder="/api/entities/user"
-              className="text-xs"
-            />
-          </div>
-        </div>
-
-        {/* 필드 매핑 */}
-        <div className="space-y-3">
-          <h4 className="text-sm font-medium">필드 매핑</h4>
-
-          <div className="grid grid-cols-2 gap-2">
-            <div className="space-y-2">
-              <Label htmlFor="valueField" className="text-xs">
-                값 필드
-              </Label>
-              <Input
-                id="valueField"
-                value={localConfig.valueField || ""}
-                onChange={(e) => updateConfigLocal("valueField", e.target.value)}
-                onBlur={handleInputBlur}
-                placeholder="id"
-                className="text-xs"
-              />
-            </div>
-
-            <div className="space-y-2">
-              <Label htmlFor="labelField" className="text-xs">
-                라벨 필드
-              </Label>
-              <Input
-                id="labelField"
-                value={localConfig.labelField || ""}
-                onChange={(e) => updateConfigLocal("labelField", e.target.value)}
-                onBlur={handleInputBlur}
-                placeholder="name"
-                className="text-xs"
-              />
-            </div>
-          </div>
-        </div>
-
-        {/* 표시 필드 관리 */}
-        <div className="space-y-3">
-          <h4 className="text-sm font-medium">표시 필드</h4>
-
-          {/* 새 필드 추가 */}
-          <div className="space-y-2">
-            <Label className="text-xs">필드 추가</Label>
-            <div className="flex gap-2">
-              <Input
-                value={newFieldName}
-                onChange={(e) => setNewFieldName(e.target.value)}
-                placeholder="필드명"
-                className="flex-1 text-xs"
-              />
-              <Input
-                value={newFieldLabel}
-                onChange={(e) => setNewFieldLabel(e.target.value)}
-                placeholder="라벨"
-                className="flex-1 text-xs"
-              />
-              <Select value={newFieldType} onValueChange={setNewFieldType}>
-                <SelectTrigger className="w-24 text-xs">
-                  <SelectValue />
-                </SelectTrigger>
-                <SelectContent>
-                  {fieldTypes.map((type) => (
-                    <SelectItem key={type.value} value={type.value}>
-                      {type.label}
-                    </SelectItem>
-                  ))}
-                </SelectContent>
-              </Select>
-              <Button
-                size="sm"
-                onClick={addDisplayField}
-                disabled={!newFieldName.trim() || !newFieldLabel.trim()}
-                className="text-xs"
-              >
-                <Plus className="h-3 w-3" />
-              </Button>
-            </div>
-          </div>
-
-          {/* 현재 필드 목록 */}
-          <div className="space-y-2">
-            <Label className="text-xs">표시 필드 ({localConfig.displayFields.length}개)</Label>
-            <div className="max-h-40 space-y-2 overflow-y-auto">
-              {localConfig.displayFields.map((field, index) => (
-                <div key={`${field.name}-${index}`} className="flex items-center gap-2 rounded border p-2">
-                  <Switch
-                    checked={field.visible}
-                    onCheckedChange={(checked) => {
-                      const newFields = [...localConfig.displayFields];
-                      newFields[index] = { ...newFields[index], visible: checked };
-                      const newConfig = { ...localConfig, displayFields: newFields };
-                      setLocalConfig(newConfig);
-                      onUpdateProperty("webTypeConfig", newConfig);
-                    }}
-                  />
-                  <Input
-                    value={field.name}
-                    onChange={(e) => updateDisplayField(index, "name", e.target.value)}
-                    onBlur={handleFieldBlur}
-                    placeholder="필드명"
-                    className="flex-1 text-xs"
-                  />
-                  <Input
-                    value={field.label}
-                    onChange={(e) => updateDisplayField(index, "label", e.target.value)}
-                    onBlur={handleFieldBlur}
-                    placeholder="라벨"
-                    className="flex-1 text-xs"
-                  />
-                  <Select 
-                    value={field.type} 
-                    onValueChange={(value) => {
-                      const newFields = [...localConfig.displayFields];
-                      newFields[index] = { ...newFields[index], type: value };
-                      const newConfig = { ...localConfig, displayFields: newFields };
-                      setLocalConfig(newConfig);
-                      onUpdateProperty("webTypeConfig", newConfig);
-                    }}
-                  >
-                    <SelectTrigger className="w-24 text-xs">
-                      <SelectValue />
-                    </SelectTrigger>
-                    <SelectContent>
-                      {fieldTypes.map((type) => (
-                        <SelectItem key={type.value} value={type.value}>
-                          {type.label}
-                        </SelectItem>
-                      ))}
-                    </SelectContent>
-                  </Select>
-                  <Button
-                    size="sm"
-                    variant={localConfig.searchFields.includes(field.name) ? "default" : "outline"}
-                    onClick={() => toggleSearchField(field.name)}
-                    className="p-1 text-xs"
-                    title={localConfig.searchFields.includes(field.name) ? "검색 필드에서 제거" : "검색 필드로 추가"}
-                  >
-                    <Search className="h-3 w-3" />
-                  </Button>
-                  <Button
-                    size="sm"
-                    variant="destructive"
-                    onClick={() => removeDisplayField(index)}
-                    className="p-1 text-xs"
-                  >
-                    <Trash2 className="h-3 w-3" />
-                  </Button>
-                </div>
-              ))}
-            </div>
-          </div>
-        </div>
-
-        {/* 검색 설정 */}
-        <div className="space-y-3">
-          <h4 className="text-sm font-medium">검색 설정</h4>
-
           <div className="space-y-2">
             <Label htmlFor="placeholder" className="text-xs">
               플레이스홀더
@@ -427,7 +292,7 @@ export const EntityConfigPanel: React.FC<WebTypeConfigPanelProps> = ({
               value={localConfig.placeholder || ""}
               onChange={(e) => updateConfigLocal("placeholder", e.target.value)}
               onBlur={handleInputBlur}
-              placeholder="엔티티를 선택하세요"
+              placeholder="항목을 선택하세요"
               className="text-xs"
             />
           </div>
@@ -445,6 +310,11 @@ export const EntityConfigPanel: React.FC<WebTypeConfigPanelProps> = ({
               className="text-xs"
             />
           </div>
+        </div>
+
+        {/* 검색 설정 */}
+        <div className="space-y-3">
+          <h4 className="text-sm font-medium">검색 설정</h4>
 
           <div className="grid grid-cols-2 gap-2">
             <div className="space-y-2">
@@ -483,7 +353,7 @@ export const EntityConfigPanel: React.FC<WebTypeConfigPanelProps> = ({
               <Label htmlFor="searchable" className="text-xs">
                 검색 가능
               </Label>
-              <p className="text-muted-foreground text-xs">엔티티를 검색할 수 있습니다.</p>
+              <p className="text-muted-foreground text-xs">항목을 검색할 수 있습니다.</p>
             </div>
             <Switch
               id="searchable"
@@ -497,7 +367,7 @@ export const EntityConfigPanel: React.FC<WebTypeConfigPanelProps> = ({
               <Label htmlFor="multiple" className="text-xs">
                 다중 선택
               </Label>
-              <p className="text-muted-foreground text-xs">여러 엔티티를 선택할 수 있습니다.</p>
+              <p className="text-muted-foreground text-xs">여러 항목을 선택할 수 있습니다.</p>
             </div>
             <Switch
               id="multiple"
@@ -507,33 +377,6 @@ export const EntityConfigPanel: React.FC<WebTypeConfigPanelProps> = ({
           </div>
         </div>
 
-        {/* 필터 설정 */}
-        <div className="space-y-3">
-          <h4 className="text-sm font-medium">추가 필터</h4>
-
-          <div className="space-y-2">
-            <Label htmlFor="filters" className="text-xs">
-              JSON 필터
-            </Label>
-            <Textarea
-              id="filters"
-              value={JSON.stringify(localConfig.filters || {}, null, 2)}
-              onChange={(e) => {
-                try {
-                  const parsed = JSON.parse(e.target.value);
-                  updateConfig("filters", parsed);
-                } catch {
-                  // 유효하지 않은 JSON은 무시
-                }
-              }}
-              placeholder='{"status": "active", "department": "IT"}'
-              className="font-mono text-xs"
-              rows={3}
-            />
-            <p className="text-muted-foreground text-xs">API 요청에 추가될 필터 조건을 JSON 형태로 입력하세요.</p>
-          </div>
-        </div>
-
         {/* 상태 설정 */}
         <div className="space-y-3">
           <h4 className="text-sm font-medium">상태 설정</h4>
@@ -543,7 +386,7 @@ export const EntityConfigPanel: React.FC<WebTypeConfigPanelProps> = ({
               <Label htmlFor="required" className="text-xs">
                 필수 선택
               </Label>
-              <p className="text-muted-foreground text-xs">엔티티가 반드시 선택되어야 합니다.</p>
+              <p className="text-muted-foreground text-xs">반드시 항목을 선택해야 합니다.</p>
             </div>
             <Switch
               id="required"
@@ -557,7 +400,7 @@ export const EntityConfigPanel: React.FC<WebTypeConfigPanelProps> = ({
               <Label htmlFor="readonly" className="text-xs">
                 읽기 전용
               </Label>
-              <p className="text-muted-foreground text-xs">엔티티를 변경할 수 없습니다.</p>
+              <p className="text-muted-foreground text-xs">값을 변경할 수 없습니다.</p>
             </div>
             <Switch
               id="readonly"
@@ -574,31 +417,18 @@ export const EntityConfigPanel: React.FC<WebTypeConfigPanelProps> = ({
             <div className="space-y-2">
               <div className="flex items-center gap-2 rounded border bg-white p-2">
                 <Database className="h-4 w-4 text-gray-400" />
-                <span className="flex-1 text-xs text-muted-foreground">{localConfig.placeholder || "엔티티를 선택하세요"}</span>
+                <span className="flex-1 text-xs text-muted-foreground">
+                  {localConfig.placeholder || "항목을 선택하세요"}
+                </span>
                 {localConfig.searchable && <Search className="h-4 w-4 text-gray-400" />}
               </div>
 
-              {localConfig.displayFields.length > 0 && (
-                <div className="text-muted-foreground text-xs">
-                  <div className="font-medium">표시 필드:</div>
-                  <div className="mt-1 flex flex-wrap gap-1">
-                    {localConfig.displayFields
-                      .filter((f) => f.visible)
-                      .map((field, index) => (
-                        <span key={index} className="rounded bg-gray-100 px-2 py-1">
-                          {field.label}
-                          {localConfig.searchFields.includes(field.name) && " 🔍"}
-                        </span>
-                      ))}
-                  </div>
-                </div>
-              )}
-
               <div className="text-muted-foreground text-xs">
-                타입: {localConfig.entityType || "미정"}• 값 필드: {localConfig.valueField}• 라벨 필드:{" "}
-                {localConfig.labelField}
-                {localConfig.multiple && " • 다중선택"}
-                {localConfig.required && " • 필수"}
+                <div>테이블: {referenceInfo.referenceTable || "미설정"}</div>
+                <div>값 필드: {localConfig.valueField || referenceInfo.referenceColumn || "-"}</div>
+                <div>표시 필드: {localConfig.labelField || referenceInfo.displayColumn || "-"}</div>
+                {localConfig.multiple && <span> / 다중선택</span>}
+                {localConfig.required && <span> / 필수</span>}
               </div>
             </div>
           </div>
@@ -609,5 +439,3 @@ export const EntityConfigPanel: React.FC<WebTypeConfigPanelProps> = ({
 };
 
 EntityConfigPanel.displayName = "EntityConfigPanel";
-
-
diff --git a/frontend/components/screen/panels/DetailSettingsPanel.tsx b/frontend/components/screen/panels/DetailSettingsPanel.tsx
index df17bc8c..f3795634 100644
--- a/frontend/components/screen/panels/DetailSettingsPanel.tsx
+++ b/frontend/components/screen/panels/DetailSettingsPanel.tsx
@@ -46,6 +46,7 @@ interface DetailSettingsPanelProps {
   currentTableName?: string; // 현재 화면의 테이블명
   tables?: TableInfo[]; // 전체 테이블 목록
   currentScreenCompanyCode?: string; // 현재 편집 중인 화면의 회사 코드
+  components?: ComponentData[]; // 현재 화면의 모든 컴포넌트 (연쇄관계 부모 필드 선택용)
 }
 
 export const DetailSettingsPanel: React.FC<DetailSettingsPanelProps> = ({
@@ -55,6 +56,7 @@ export const DetailSettingsPanel: React.FC<DetailSettingsPanelProps> = ({
   currentTableName,
   tables = [], // 기본값 빈 배열
   currentScreenCompanyCode,
+  components = [], // 기본값 빈 배열
 }) => {
   // 데이터베이스에서 입력 가능한 웹타입들을 동적으로 가져오기
   const { webTypes } = useWebTypes({ active: "Y" });
diff --git a/frontend/components/screen/widgets/TabsWidget.tsx b/frontend/components/screen/widgets/TabsWidget.tsx
index 7990a2a6..4d8147c9 100644
--- a/frontend/components/screen/widgets/TabsWidget.tsx
+++ b/frontend/components/screen/widgets/TabsWidget.tsx
@@ -7,15 +7,18 @@ import { X, Loader2 } from "lucide-react";
 import type { TabsComponent, TabItem } from "@/types/screen-management";
 import { InteractiveScreenViewerDynamic } from "@/components/screen/InteractiveScreenViewerDynamic";
 import { cn } from "@/lib/utils";
+import { useActiveTab } from "@/contexts/ActiveTabContext";
 
 interface TabsWidgetProps {
   component: TabsComponent;
   className?: string;
   style?: React.CSSProperties;
-  menuObjid?: number; // 🆕 부모 화면의 메뉴 OBJID
+  menuObjid?: number; // 부모 화면의 메뉴 OBJID
 }
 
 export function TabsWidget({ component, className, style, menuObjid }: TabsWidgetProps) {
+  // ActiveTab context 사용
+  const { setActiveTab, removeTabsComponent } = useActiveTab();
   const {
     tabs = [],
     defaultTab,
@@ -51,12 +54,30 @@ export function TabsWidget({ component, className, style, menuObjid }: TabsWidge
     setVisibleTabs(tabs.filter((tab) => !tab.disabled));
   }, [tabs]);
 
-  // 선택된 탭 변경 시 localStorage에 저장
+  // 선택된 탭 변경 시 localStorage에 저장 + ActiveTab Context 업데이트
   useEffect(() => {
     if (persistSelection && typeof window !== "undefined") {
       localStorage.setItem(storageKey, selectedTab);
     }
-  }, [selectedTab, persistSelection, storageKey]);
+    
+    // ActiveTab Context에 현재 활성 탭 정보 등록
+    const currentTabInfo = visibleTabs.find(t => t.id === selectedTab);
+    if (currentTabInfo) {
+      setActiveTab(component.id, {
+        tabId: selectedTab,
+        tabsComponentId: component.id,
+        screenId: currentTabInfo.screenId,
+        label: currentTabInfo.label,
+      });
+    }
+  }, [selectedTab, persistSelection, storageKey, component.id, visibleTabs, setActiveTab]);
+
+  // 컴포넌트 언마운트 시 ActiveTab Context에서 제거
+  useEffect(() => {
+    return () => {
+      removeTabsComponent(component.id);
+    };
+  }, [component.id, removeTabsComponent]);
 
   // 초기 로드 시 선택된 탭의 화면 불러오기
   useEffect(() => {
@@ -220,16 +241,18 @@ export function TabsWidget({ component, className, style, menuObjid }: TabsWidge
                                   margin: "0 auto",
                                 }}
                               >
-                                {components.map((component: any) => (
+                                {components.map((comp: any) => (
                                   <InteractiveScreenViewerDynamic
-                                    key={component.id}
-                                    component={component}
+                                    key={comp.id}
+                                    component={comp}
                                     allComponents={components}
                                     screenInfo={{
                                       id: tab.screenId,
                                       tableName: layoutData.tableName,
                                     }}
                                     menuObjid={menuObjid}
+                                    parentTabId={tab.id}
+                                    parentTabsComponentId={component.id}
                                   />
                                 ))}
                               </div>
diff --git a/frontend/contexts/ActiveTabContext.tsx b/frontend/contexts/ActiveTabContext.tsx
new file mode 100644
index 00000000..75b25fbb
--- /dev/null
+++ b/frontend/contexts/ActiveTabContext.tsx
@@ -0,0 +1,139 @@
+"use client";
+
+import React, {
+  createContext,
+  useContext,
+  useState,
+  useCallback,
+  ReactNode,
+} from "react";
+
+/**
+ * 활성 탭 정보
+ */
+export interface ActiveTabInfo {
+  tabId: string;           // 탭 고유 ID
+  tabsComponentId: string; // 부모 탭 컴포넌트 ID
+  screenId?: number;       // 탭에 연결된 화면 ID
+  label?: string;          // 탭 라벨
+}
+
+/**
+ * Context 값 타입
+ */
+interface ActiveTabContextValue {
+  // 현재 활성 탭 정보 (탭 컴포넌트 ID -> 활성 탭 정보)
+  activeTabs: Map<string, ActiveTabInfo>;
+  
+  // 활성 탭 설정
+  setActiveTab: (tabsComponentId: string, tabInfo: ActiveTabInfo) => void;
+  
+  // 활성 탭 조회
+  getActiveTab: (tabsComponentId: string) => ActiveTabInfo | undefined;
+  
+  // 특정 탭 컴포넌트의 활성 탭 ID 조회
+  getActiveTabId: (tabsComponentId: string) => string | undefined;
+  
+  // 전체 활성 탭 ID 목록 (모든 탭 컴포넌트에서)
+  getAllActiveTabIds: () => string[];
+  
+  // 탭 컴포넌트 제거 시 정리
+  removeTabsComponent: (tabsComponentId: string) => void;
+}
+
+const ActiveTabContext = createContext<ActiveTabContextValue | undefined>(undefined);
+
+export const ActiveTabProvider: React.FC<{ children: ReactNode }> = ({ children }) => {
+  const [activeTabs, setActiveTabs] = useState<Map<string, ActiveTabInfo>>(new Map());
+
+  /**
+   * 활성 탭 설정
+   */
+  const setActiveTab = useCallback((tabsComponentId: string, tabInfo: ActiveTabInfo) => {
+    setActiveTabs((prev) => {
+      const newMap = new Map(prev);
+      newMap.set(tabsComponentId, tabInfo);
+      return newMap;
+    });
+  }, []);
+
+  /**
+   * 활성 탭 조회
+   */
+  const getActiveTab = useCallback(
+    (tabsComponentId: string) => {
+      return activeTabs.get(tabsComponentId);
+    },
+    [activeTabs]
+  );
+
+  /**
+   * 특정 탭 컴포넌트의 활성 탭 ID 조회
+   */
+  const getActiveTabId = useCallback(
+    (tabsComponentId: string) => {
+      return activeTabs.get(tabsComponentId)?.tabId;
+    },
+    [activeTabs]
+  );
+
+  /**
+   * 전체 활성 탭 ID 목록
+   */
+  const getAllActiveTabIds = useCallback(() => {
+    return Array.from(activeTabs.values()).map((info) => info.tabId);
+  }, [activeTabs]);
+
+  /**
+   * 탭 컴포넌트 제거 시 정리
+   */
+  const removeTabsComponent = useCallback((tabsComponentId: string) => {
+    setActiveTabs((prev) => {
+      const newMap = new Map(prev);
+      newMap.delete(tabsComponentId);
+      return newMap;
+    });
+  }, []);
+
+  return (
+    <ActiveTabContext.Provider
+      value={{
+        activeTabs,
+        setActiveTab,
+        getActiveTab,
+        getActiveTabId,
+        getAllActiveTabIds,
+        removeTabsComponent,
+      }}
+    >
+      {children}
+    </ActiveTabContext.Provider>
+  );
+};
+
+/**
+ * Context Hook
+ */
+export const useActiveTab = () => {
+  const context = useContext(ActiveTabContext);
+  if (!context) {
+    // Context가 없으면 기본값 반환 (탭이 없는 화면에서 사용 시)
+    return {
+      activeTabs: new Map(),
+      setActiveTab: () => {},
+      getActiveTab: () => undefined,
+      getActiveTabId: () => undefined,
+      getAllActiveTabIds: () => [],
+      removeTabsComponent: () => {},
+    };
+  }
+  return context;
+};
+
+/**
+ * Optional Context Hook (에러 없이 undefined 반환)
+ */
+export const useActiveTabOptional = () => {
+  return useContext(ActiveTabContext);
+};
+
diff --git a/frontend/contexts/TableOptionsContext.tsx b/frontend/contexts/TableOptionsContext.tsx
index d706443f..1e991201 100644
--- a/frontend/contexts/TableOptionsContext.tsx
+++ b/frontend/contexts/TableOptionsContext.tsx
@@ -3,12 +3,14 @@ import React, {
   useContext,
   useState,
   useCallback,
+  useMemo,
   ReactNode,
 } from "react";
 import {
   TableRegistration,
   TableOptionsContextValue,
 } from "@/types/table-options";
+import { useActiveTab } from "./ActiveTabContext";
 
 const TableOptionsContext = createContext<TableOptionsContextValue | undefined>(
   undefined
@@ -89,6 +91,35 @@ export const TableOptionsProvider: React.FC<{ children: ReactNode }> = ({
     });
   }, []);
 
+  // ActiveTab context 사용 (optional - 에러 방지)
+  const activeTabContext = useActiveTab();
+
+  /**
+   * 현재 활성 탭의 테이블만 반환
+   */
+  const getActiveTabTables = useCallback(() => {
+    const allTables = Array.from(registeredTables.values());
+    const activeTabIds = activeTabContext.getAllActiveTabIds();
+    
+    // 활성 탭이 없으면 탭에 속하지 않은 테이블만 반환
+    if (activeTabIds.length === 0) {
+      return allTables.filter(table => !table.parentTabId);
+    }
+    
+    // 활성 탭에 속한 테이블 + 탭에 속하지 않은 테이블
+    return allTables.filter(table => 
+      !table.parentTabId || activeTabIds.includes(table.parentTabId)
+    );
+  }, [registeredTables, activeTabContext]);
+
+  /**
+   * 특정 탭의 테이블만 반환
+   */
+  const getTablesForTab = useCallback((tabId: string) => {
+    const allTables = Array.from(registeredTables.values());
+    return allTables.filter(table => table.parentTabId === tabId);
+  }, [registeredTables]);
+
   return (
     <TableOptionsContext.Provider
       value={{
@@ -99,6 +130,8 @@ export const TableOptionsProvider: React.FC<{ children: ReactNode }> = ({
         updateTableDataCount,
         selectedTableId,
         setSelectedTableId,
+        getActiveTabTables,
+        getTablesForTab,
       }}
     >
       {children}
diff --git a/frontend/lib/api/tableSchema.ts b/frontend/lib/api/tableSchema.ts
index 6e04187f..1d173804 100644
--- a/frontend/lib/api/tableSchema.ts
+++ b/frontend/lib/api/tableSchema.ts
@@ -2,6 +2,7 @@ import { apiClient } from "./client";
 
 export interface TableColumn {
   name: string;
+  label: string; // 컬럼 라벨 (column_labels 테이블에서 가져옴)
   type: string;
   nullable: boolean;
   default: string | null;
diff --git a/frontend/lib/registry/DynamicComponentRenderer.tsx b/frontend/lib/registry/DynamicComponentRenderer.tsx
index 6ca5e68f..0c62cd8b 100644
--- a/frontend/lib/registry/DynamicComponentRenderer.tsx
+++ b/frontend/lib/registry/DynamicComponentRenderer.tsx
@@ -132,6 +132,9 @@ export interface DynamicComponentRendererProps {
   mode?: "view" | "edit";
   // 모달 내에서 렌더링 여부
   isInModal?: boolean;
+  // 탭 관련 정보 (탭 내부의 컴포넌트에서 사용)
+  parentTabId?: string;           // 부모 탭 ID
+  parentTabsComponentId?: string; // 부모 탭 컴포넌트 ID
   [key: string]: any;
 }
 
diff --git a/frontend/lib/registry/components/card-display/CardDisplayComponent.tsx b/frontend/lib/registry/components/card-display/CardDisplayComponent.tsx
index 5594d266..e8afb3b3 100644
--- a/frontend/lib/registry/components/card-display/CardDisplayComponent.tsx
+++ b/frontend/lib/registry/components/card-display/CardDisplayComponent.tsx
@@ -823,28 +823,29 @@ export const CardDisplayComponent: React.FC<CardDisplayComponentProps> = ({
     display: "grid",
     gridTemplateColumns: `repeat(${componentConfig.cardsPerRow || 3}, 1fr)`, // 기본값 3 (한 행당 카드 수)
     gridAutoRows: "min-content", // 자동 행 생성으로 모든 데이터 표시
-    gap: `${componentConfig.cardSpacing || 32}px`, // 간격 대폭 증가로 여유로운 느낌
-    padding: "32px", // 패딩 대폭 증가
+    gap: `${componentConfig.cardSpacing || 16}px`, // 카드 간격
+    padding: "16px", // 패딩
     width: "100%",
     height: "100%",
-    background: "#f8fafc", // 연한 하늘색 배경 (채도 낮춤)
+    background: "transparent", // 배경색 제거
     overflow: "auto",
-    borderRadius: "12px", // 컨테이너 자체도 라운드 처리
+    borderRadius: "0", // 라운드 제거
   };
 
   // 카드 스타일 - 컴팩트한 디자인
   const cardStyle: React.CSSProperties = {
-    backgroundColor: "white",
-    border: "1px solid #e5e7eb",
+    backgroundColor: "hsl(var(--card))",
+    border: "1px solid hsl(var(--border))",
     borderRadius: "8px",
     padding: "16px",
-    boxShadow: "0 1px 3px rgba(0, 0, 0, 0.08)",
+    boxShadow: "0 1px 2px rgba(0, 0, 0, 0.05)",
     transition: "all 0.2s ease",
     overflow: "hidden",
     display: "flex",
     flexDirection: "column",
     position: "relative",
     cursor: isDesignMode ? "pointer" : "default",
+    width: "100%", // 전체 너비 차지
   };
 
   // 텍스트 자르기 함수
diff --git a/frontend/lib/registry/components/entity-search-input/EntitySearchInputComponent.tsx b/frontend/lib/registry/components/entity-search-input/EntitySearchInputComponent.tsx
index 49d96122..df087536 100644
--- a/frontend/lib/registry/components/entity-search-input/EntitySearchInputComponent.tsx
+++ b/frontend/lib/registry/components/entity-search-input/EntitySearchInputComponent.tsx
@@ -1,6 +1,6 @@
 "use client";
 
-import React, { useState, useEffect } from "react";
+import React, { useState, useEffect, useRef } from "react";
 import { Input } from "@/components/ui/input";
 import { Button } from "@/components/ui/button";
 import { Search, X, Check, ChevronsUpDown } from "lucide-react";
@@ -10,6 +10,7 @@ import { cn } from "@/lib/utils";
 import { Popover, PopoverContent, PopoverTrigger } from "@/components/ui/popover";
 import { Command, CommandEmpty, CommandGroup, CommandInput, CommandItem, CommandList } from "@/components/ui/command";
 import { dynamicFormApi } from "@/lib/api/dynamicForm";
+import { cascadingRelationApi } from "@/lib/api/cascadingRelation";
 
 export function EntitySearchInputComponent({
   tableName,
@@ -29,6 +30,11 @@ export function EntitySearchInputComponent({
   additionalFields = [],
   className,
   style,
+  // 연쇄관계 props
+  cascadingRelationCode,
+  parentValue: parentValueProp,
+  parentFieldId,
+  formData,
   // 🆕 추가 props
   component,
   isInteractive,
@@ -38,10 +44,21 @@ export function EntitySearchInputComponent({
   component?: any;
   isInteractive?: boolean;
   onFormDataChange?: (fieldName: string, value: any) => void;
+  webTypeConfig?: any; // 웹타입 설정 (연쇄관계 등)
 }) {
   // uiMode가 있으면 우선 사용, 없으면 modeProp 사용, 기본값 "combo"
   const mode = (uiMode || modeProp || "combo") as "select" | "modal" | "combo" | "autocomplete";
 
+  // 연쇄관계 설정 추출 (webTypeConfig 또는 component.componentConfig에서)
+  const config = component?.componentConfig || {};
+  const effectiveCascadingRelationCode = cascadingRelationCode || config.cascadingRelationCode;
+  const effectiveParentFieldId = parentFieldId || config.parentFieldId;
+  const effectiveCascadingRole = config.cascadingRole; // "parent" | "child" | undefined
+
+  // 부모 역할이면 연쇄관계 로직 적용 안함 (자식만 부모 값에 따라 필터링됨)
+  const isChildRole = effectiveCascadingRole === "child";
+  const shouldApplyCascading = effectiveCascadingRelationCode && isChildRole;
+
   const [modalOpen, setModalOpen] = useState(false);
   const [selectOpen, setSelectOpen] = useState(false);
   const [displayValue, setDisplayValue] = useState("");
@@ -50,16 +67,82 @@ export function EntitySearchInputComponent({
   const [isLoadingOptions, setIsLoadingOptions] = useState(false);
   const [optionsLoaded, setOptionsLoaded] = useState(false);
 
+  // 연쇄관계 상태
+  const [cascadingOptions, setCascadingOptions] = useState<EntitySearchResult[]>([]);
+  const [isCascadingLoading, setIsCascadingLoading] = useState(false);
+  const previousParentValue = useRef<any>(null);
+
+  // 부모 필드 값 결정 (직접 전달 또는 formData에서 추출) - 자식 역할일 때만 필요
+  const parentValue = isChildRole
+    ? (parentValueProp ?? (effectiveParentFieldId && formData ? formData[effectiveParentFieldId] : undefined))
+    : undefined;
+
   // filterCondition을 문자열로 변환하여 비교 (객체 참조 문제 해결)
   const filterConditionKey = JSON.stringify(filterCondition || {});
 
-  // select 모드일 때 옵션 로드 (한 번만)
+  // 연쇄관계가 설정된 경우: 부모 값이 변경되면 자식 옵션 로드 (자식 역할일 때만)
   useEffect(() => {
-    if (mode === "select" && tableName && !optionsLoaded) {
+    const loadCascadingOptions = async () => {
+      if (!shouldApplyCascading) return;
+
+      // 부모 값이 없으면 옵션 초기화
+      if (!parentValue) {
+        setCascadingOptions([]);
+        // 부모 값이 변경되면 현재 값도 초기화
+        if (previousParentValue.current !== null && previousParentValue.current !== parentValue) {
+          handleClear();
+        }
+        previousParentValue.current = parentValue;
+        return;
+      }
+
+      // 부모 값이 동일하면 스킵
+      if (previousParentValue.current === parentValue) {
+        return;
+      }
+
+      previousParentValue.current = parentValue;
+      setIsCascadingLoading(true);
+
+      try {
+        console.log("🔗 연쇄관계 옵션 로드:", { effectiveCascadingRelationCode, parentValue });
+        const response = await cascadingRelationApi.getOptions(effectiveCascadingRelationCode, String(parentValue));
+
+        if (response.success && response.data) {
+          // 옵션을 EntitySearchResult 형태로 변환
+          const formattedOptions = response.data.map((opt: any) => ({
+            [valueField]: opt.value,
+            [displayField]: opt.label,
+            ...opt, // 추가 필드도 포함
+          }));
+          setCascadingOptions(formattedOptions);
+          console.log("✅ 연쇄관계 옵션 로드 완료:", formattedOptions.length, "개");
+
+          // 현재 선택된 값이 새 옵션에 없으면 초기화
+          if (value && !formattedOptions.find((opt: any) => opt[valueField] === value)) {
+            handleClear();
+          }
+        } else {
+          setCascadingOptions([]);
+        }
+      } catch (error) {
+        console.error("❌ 연쇄관계 옵션 로드 실패:", error);
+        setCascadingOptions([]);
+      } finally {
+        setIsCascadingLoading(false);
+      }
+    };
+
+    loadCascadingOptions();
+  }, [shouldApplyCascading, effectiveCascadingRelationCode, parentValue, valueField, displayField]);
+
+  // select 모드일 때 옵션 로드 (연쇄관계가 없거나 부모 역할인 경우)
+  useEffect(() => {
+    if (mode === "select" && tableName && !optionsLoaded && !shouldApplyCascading) {
       loadOptions();
       setOptionsLoaded(true);
     }
-  }, [mode, tableName, filterConditionKey, optionsLoaded]);
+  }, [mode, tableName, filterConditionKey, optionsLoaded, shouldApplyCascading]);
 
   const loadOptions = async () => {
     if (!tableName) return;
@@ -82,15 +165,19 @@ export function EntitySearchInputComponent({
     }
   };
 
+  // 실제 사용할 옵션 목록 (자식 역할이고 연쇄관계가 있으면 연쇄 옵션 사용)
+  const effectiveOptions = shouldApplyCascading ? cascadingOptions : options;
+  const isLoading = shouldApplyCascading ? isCascadingLoading : isLoadingOptions;
+
   // value가 변경되면 표시값 업데이트 (외래키 값으로 데이터 조회)
   useEffect(() => {
     const loadDisplayValue = async () => {
       if (value && selectedData) {
         // 이미 selectedData가 있으면 표시값만 업데이트
         setDisplayValue(selectedData[displayField] || "");
-      } else if (value && mode === "select" && options.length > 0) {
+      } else if (value && mode === "select" && effectiveOptions.length > 0) {
         // select 모드에서 value가 있고 options가 로드된 경우
-        const found = options.find((opt) => opt[valueField] === value);
+        const found = effectiveOptions.find((opt) => opt[valueField] === value);
         if (found) {
           setSelectedData(found);
           setDisplayValue(found[displayField] || "");
@@ -142,7 +229,7 @@ export function EntitySearchInputComponent({
     };
 
     loadDisplayValue();
-  }, [value, displayField, options, mode, valueField, tableName, selectedData]);
+  }, [value, displayField, effectiveOptions, mode, valueField, tableName, selectedData]);
 
   const handleSelect = (newValue: any, fullData: EntitySearchResult) => {
     setSelectedData(fullData);
@@ -200,7 +287,7 @@ export function EntitySearchInputComponent({
               variant="outline"
               role="combobox"
               aria-expanded={selectOpen}
-              disabled={disabled || isLoadingOptions}
+              disabled={disabled || isLoading || Boolean(shouldApplyCascading && !parentValue)}
               className={cn(
                 "w-full justify-between font-normal",
                 !componentHeight && "h-8 text-xs sm:h-10 sm:text-sm",
@@ -208,7 +295,11 @@ export function EntitySearchInputComponent({
               )}
               style={inputStyle}
             >
-              {isLoadingOptions ? "로딩 중..." : displayValue || placeholder}
+              {isLoading
+                ? "로딩 중..."
+                : shouldApplyCascading && !parentValue
+                  ? "상위 항목을 먼저 선택하세요"
+                  : displayValue || placeholder}
               <ChevronsUpDown className="ml-2 h-4 w-4 shrink-0 opacity-50" />
             </Button>
           </PopoverTrigger>
@@ -218,7 +309,7 @@ export function EntitySearchInputComponent({
               <CommandList>
                 <CommandEmpty className="py-4 text-center text-xs sm:text-sm">항목을 찾을 수 없습니다.</CommandEmpty>
                 <CommandGroup>
-                  {options.map((option, index) => (
+                  {effectiveOptions.map((option, index) => (
                     <CommandItem
                       key={option[valueField] || index}
                       value={`${option[displayField] || ""}-${option[valueField] || ""}`}
diff --git a/frontend/lib/registry/components/entity-search-input/EntitySearchInputConfigPanel.tsx b/frontend/lib/registry/components/entity-search-input/EntitySearchInputConfigPanel.tsx
index d37fe3b6..3cd4d35a 100644
--- a/frontend/lib/registry/components/entity-search-input/EntitySearchInputConfigPanel.tsx
+++ b/frontend/lib/registry/components/entity-search-input/EntitySearchInputConfigPanel.tsx
@@ -1,6 +1,6 @@
 "use client";
 
-import React, { useState, useEffect } from "react";
+import React, { useState, useEffect, useRef } from "react";
 import { Label } from "@/components/ui/label";
 import { Input } from "@/components/ui/input";
 import { Select, SelectContent, SelectItem, SelectTrigger, SelectValue } from "@/components/ui/select";
@@ -8,19 +8,27 @@ import { Command, CommandEmpty, CommandGroup, CommandInput, CommandItem, Command
 import { Popover, PopoverContent, PopoverTrigger } from "@/components/ui/popover";
 import { Switch } from "@/components/ui/switch";
 import { Button } from "@/components/ui/button";
-import { Plus, X, Check, ChevronsUpDown } from "lucide-react";
+import { Plus, X, Check, ChevronsUpDown, Database, Info, Link2, ExternalLink } from "lucide-react";
+// allComponents는 현재 사용되지 않지만 향후 확장을 위해 props에 유지
 import { EntitySearchInputConfig } from "./config";
 import { tableManagementApi } from "@/lib/api/tableManagement";
+import { tableTypeApi } from "@/lib/api/screen";
+import { cascadingRelationApi, CascadingRelation } from "@/lib/api/cascadingRelation";
 import { cn } from "@/lib/utils";
+import Link from "next/link";
 
 interface EntitySearchInputConfigPanelProps {
   config: EntitySearchInputConfig;
   onConfigChange: (config: EntitySearchInputConfig) => void;
+  currentComponent?: any; // 테이블 패널에서 드래그한 컴포넌트 정보
+  allComponents?: any[]; // 현재 화면의 모든 컴포넌트 (연쇄 드롭다운 부모 감지용)
 }
 
 export function EntitySearchInputConfigPanel({
   config,
   onConfigChange,
+  currentComponent,
+  allComponents = [],
 }: EntitySearchInputConfigPanelProps) {
   const [localConfig, setLocalConfig] = useState(config);
   const [allTables, setAllTables] = useState<any[]>([]);
@@ -30,8 +38,152 @@ export function EntitySearchInputConfigPanel({
   const [openTableCombo, setOpenTableCombo] = useState(false);
   const [openDisplayFieldCombo, setOpenDisplayFieldCombo] = useState(false);
   const [openValueFieldCombo, setOpenValueFieldCombo] = useState(false);
+  
+  // 연쇄 드롭다운 설정 상태 (SelectBasicConfigPanel과 동일)
+  const [cascadingEnabled, setCascadingEnabled] = useState(!!config.cascadingRelationCode);
+  
+  // 연쇄관계 목록
+  const [relationList, setRelationList] = useState<CascadingRelation[]>([]);
+  const [loadingRelations, setLoadingRelations] = useState(false);
+  
+  // 테이블 타입 관리에서 설정된 참조 테이블 정보
+  const [referenceInfo, setReferenceInfo] = useState<{
+    referenceTable: string;
+    referenceColumn: string;
+    displayColumn: string;
+    isLoading: boolean;
+    isAutoLoaded: boolean; // 자동 로드되었는지 여부
+    error: string | null;
+  }>({
+    referenceTable: "",
+    referenceColumn: "",
+    displayColumn: "",
+    isLoading: false,
+    isAutoLoaded: false,
+    error: null,
+  });
+  
+  // 자동 설정 완료 여부 (중복 방지)
+  const autoConfigApplied = useRef(false);
 
-  // 전체 테이블 목록 로드
+  // 테이블 패널에서 드래그한 컴포넌트인 경우, 참조 테이블 정보 자동 로드
+  useEffect(() => {
+    const loadReferenceInfo = async () => {
+      // currentComponent에서 소스 테이블/컬럼 정보 추출
+      const sourceTableName = currentComponent?.tableName || currentComponent?.sourceTableName;
+      const sourceColumnName = currentComponent?.columnName || currentComponent?.sourceColumnName;
+      
+      if (!sourceTableName || !sourceColumnName) {
+        return;
+      }
+      
+      // 이미 config에 테이블명이 설정되어 있고, 자동 로드가 완료되었다면 스킵
+      if (config.tableName && autoConfigApplied.current) {
+        return;
+      }
+      
+      setReferenceInfo(prev => ({ ...prev, isLoading: true, error: null }));
+      
+      try {
+        // 테이블 타입 관리에서 컬럼 정보 조회
+        const columns = await tableTypeApi.getColumns(sourceTableName);
+        const columnInfo = columns.find((col: any) => 
+          (col.columnName || col.column_name) === sourceColumnName
+        );
+        
+        if (columnInfo) {
+          const refTable = columnInfo.referenceTable || columnInfo.reference_table || "";
+          const refColumn = columnInfo.referenceColumn || columnInfo.reference_column || "";
+          const dispColumn = columnInfo.displayColumn || columnInfo.display_column || "";
+          
+          // detailSettings에서도 정보 확인 (JSON 파싱)
+          let detailSettings: any = {};
+          if (columnInfo.detailSettings) {
+            try {
+              if (typeof columnInfo.detailSettings === 'string') {
+                detailSettings = JSON.parse(columnInfo.detailSettings);
+              } else {
+                detailSettings = columnInfo.detailSettings;
+              }
+            } catch {
+              // JSON 파싱 실패 시 무시
+            }
+          }
+          
+          const finalRefTable = refTable || detailSettings.referenceTable || "";
+          const finalRefColumn = refColumn || detailSettings.referenceColumn || "id";
+          const finalDispColumn = dispColumn || detailSettings.displayColumn || "name";
+          
+          setReferenceInfo({
+            referenceTable: finalRefTable,
+            referenceColumn: finalRefColumn,
+            displayColumn: finalDispColumn,
+            isLoading: false,
+            isAutoLoaded: true,
+            error: null,
+          });
+          
+          // 참조 테이블 정보로 config 자동 설정 (config에 아직 설정이 없는 경우만)
+          if (finalRefTable && !config.tableName) {
+            autoConfigApplied.current = true;
+            const newConfig: EntitySearchInputConfig = {
+              ...localConfig,
+              tableName: finalRefTable,
+              valueField: finalRefColumn,
+              displayField: finalDispColumn,
+            };
+            setLocalConfig(newConfig);
+            onConfigChange(newConfig);
+          }
+        } else {
+          setReferenceInfo({
+            referenceTable: "",
+            referenceColumn: "",
+            displayColumn: "",
+            isLoading: false,
+            isAutoLoaded: false,
+            error: "컬럼 정보를 찾을 수 없습니다.",
+          });
+        }
+      } catch (error) {
+        console.error("참조 테이블 정보 로드 실패:", error);
+        setReferenceInfo({
+          referenceTable: "",
+          referenceColumn: "",
+          displayColumn: "",
+          isLoading: false,
+          isAutoLoaded: false,
+          error: "참조 테이블 정보 로드 실패",
+        });
+      }
+    };
+    
+    loadReferenceInfo();
+  }, [currentComponent?.tableName, currentComponent?.columnName, currentComponent?.sourceTableName, currentComponent?.sourceColumnName]);
+
+  // 연쇄 관계 목록 로드
+  useEffect(() => {
+    if (cascadingEnabled && relationList.length === 0) {
+      loadRelationList();
+    }
+  }, [cascadingEnabled]);
+  
+  // 연쇄 관계 목록 로드 함수
+  const loadRelationList = async () => {
+    setLoadingRelations(true);
+    try {
+      const response = await cascadingRelationApi.getList("Y");
+      if (response.success && response.data) {
+        setRelationList(response.data);
+      }
+    } catch (error) {
+      console.error("연쇄 관계 목록 로드 실패:", error);
+    } finally {
+      setLoadingRelations(false);
+    }
+  };
+
+  // 전체 테이블 목록 로드 (수동 선택을 위해)
   useEffect(() => {
     const loadTables = async () => {
       setIsLoadingTables(true);
@@ -73,8 +225,11 @@ export function EntitySearchInputConfigPanel({
     loadColumns();
   }, [localConfig.tableName]);
 
+  // 컴포넌트 변경 시 로컬 상태 동기화
   useEffect(() => {
     setLocalConfig(config);
+    // 연쇄 드롭다운 설정 동기화
+    setCascadingEnabled(!!config.cascadingRelationCode);
   }, [config]);
 
   const updateConfig = (updates: Partial<EntitySearchInputConfig>) => {
@@ -82,6 +237,71 @@ export function EntitySearchInputConfigPanel({
     setLocalConfig(newConfig);
     onConfigChange(newConfig);
   };
+  
+  // 연쇄 드롭다운 활성화/비활성화
+  const handleCascadingToggle = (enabled: boolean) => {
+    setCascadingEnabled(enabled);
+    
+    if (!enabled) {
+      // 비활성화 시 관계 설정 제거
+      const newConfig = { 
+        ...localConfig, 
+        cascadingRelationCode: undefined, 
+        cascadingRole: undefined,
+        cascadingParentField: undefined,
+      };
+      setLocalConfig(newConfig);
+      onConfigChange(newConfig);
+    } else {
+      // 활성화 시 관계 목록 로드
+      loadRelationList();
+    }
+  };
+  
+  // 연쇄 관계 선택 (역할은 별도 선택)
+  const handleRelationSelect = (code: string) => {
+    const newConfig = { 
+      ...localConfig, 
+      cascadingRelationCode: code || undefined,
+      cascadingRole: undefined, // 역할은 별도로 선택
+      cascadingParentField: undefined,
+    };
+    setLocalConfig(newConfig);
+    onConfigChange(newConfig);
+  };
+  
+  // 역할 변경 핸들러
+  const handleRoleChange = (role: "parent" | "child") => {
+    const selectedRel = relationList.find(r => r.relation_code === localConfig.cascadingRelationCode);
+    
+    if (role === "parent" && selectedRel) {
+      // 부모 역할: 부모 테이블 정보로 설정
+      const newConfig = { 
+        ...localConfig, 
+        cascadingRole: role,
+        tableName: selectedRel.parent_table,
+        valueField: selectedRel.parent_value_column,
+        displayField: selectedRel.parent_label_column || selectedRel.parent_value_column,
+        cascadingParentField: undefined, // 부모 역할이면 부모 필드 필요 없음
+      };
+      setLocalConfig(newConfig);
+      onConfigChange(newConfig);
+    } else if (role === "child" && selectedRel) {
+      // 자식 역할: 자식 테이블 정보로 설정
+      const newConfig = { 
+        ...localConfig, 
+        cascadingRole: role,
+        tableName: selectedRel.child_table,
+        valueField: selectedRel.child_value_column,
+        displayField: selectedRel.child_label_column || selectedRel.child_value_column,
+      };
+      setLocalConfig(newConfig);
+      onConfigChange(newConfig);
+    }
+  };
+  
+  // 선택된 관계 정보
+  const selectedRelation = relationList.find(r => r.relation_code === localConfig.cascadingRelationCode);
 
   const addSearchField = () => {
     const fields = localConfig.searchFields || [];
@@ -134,10 +354,213 @@ export function EntitySearchInputConfigPanel({
     updateConfig({ additionalFields: fields });
   };
 
+  // 자동 로드된 참조 테이블 정보가 있는지 확인
+  const hasAutoReference = referenceInfo.isAutoLoaded && referenceInfo.referenceTable;
+
   return (
     <div className="space-y-4 p-4">
+      {/* 연쇄 드롭다운 설정 - SelectConfigPanel과 동일한 패턴 */}
+      <div className="space-y-3">
+        <div className="flex items-center justify-between">
+          <div className="flex items-center gap-2">
+            <Link2 className="h-4 w-4" />
+            <h4 className="text-sm font-medium">연쇄 드롭다운</h4>
+          </div>
+          <Switch
+            checked={cascadingEnabled}
+            onCheckedChange={handleCascadingToggle}
+          />
+        </div>
+        <p className="text-muted-foreground text-xs">
+          다른 필드의 값에 따라 옵션이 동적으로 변경됩니다. (예: 창고 선택 → 해당 창고의 위치만 표시)
+        </p>
+        
+        {cascadingEnabled && (
+          <div className="space-y-3 rounded-md border p-3 bg-muted/30">
+            {/* 관계 선택 */}
+            <div className="space-y-2">
+              <Label className="text-xs">연쇄 관계 선택</Label>
+              <Select
+                value={localConfig.cascadingRelationCode || ""}
+                onValueChange={handleRelationSelect}
+              >
+                <SelectTrigger className="text-xs">
+                  <SelectValue placeholder={loadingRelations ? "로딩 중..." : "관계 선택"} />
+                </SelectTrigger>
+                <SelectContent>
+                  {relationList.map((relation) => (
+                    <SelectItem key={relation.relation_code} value={relation.relation_code}>
+                      <div className="flex flex-col">
+                        <span>{relation.relation_name}</span>
+                        <span className="text-muted-foreground text-xs">
+                          {relation.parent_table} → {relation.child_table}
+                        </span>
+                      </div>
+                    </SelectItem>
+                  ))}
+                </SelectContent>
+              </Select>
+            </div>
+
+            {/* 역할 선택 */}
+            {localConfig.cascadingRelationCode && (
+              <div className="space-y-2">
+                <Label className="text-xs">역할 선택</Label>
+                <div className="flex gap-2">
+                  <Button
+                    type="button"
+                    size="sm"
+                    variant={localConfig.cascadingRole === "parent" ? "default" : "outline"}
+                    className="flex-1 text-xs"
+                    onClick={() => handleRoleChange("parent")}
+                  >
+                    부모 (상위 선택)
+                  </Button>
+                  <Button
+                    type="button"
+                    size="sm"
+                    variant={localConfig.cascadingRole === "child" ? "default" : "outline"}
+                    className="flex-1 text-xs"
+                    onClick={() => handleRoleChange("child")}
+                  >
+                    자식 (하위 선택)
+                  </Button>
+                </div>
+                <p className="text-muted-foreground text-xs">
+                  {localConfig.cascadingRole === "parent" 
+                    ? "이 필드가 상위 선택 역할을 합니다. (예: 창고 선택)"
+                    : localConfig.cascadingRole === "child"
+                    ? "이 필드는 상위 필드 값에 따라 옵션이 변경됩니다. (예: 위치 선택)"
+                    : "이 필드의 역할을 선택하세요."}
+                </p>
+              </div>
+            )}
+
+            {/* 부모 필드 설정 (자식 역할일 때만) */}
+            {localConfig.cascadingRelationCode && localConfig.cascadingRole === "child" && (
+              <div className="space-y-2">
+                <Label className="text-xs">부모 필드명</Label>
+                <Input
+                  value={localConfig.cascadingParentField || ""}
+                  onChange={(e) => updateConfig({ cascadingParentField: e.target.value || undefined })}
+                  placeholder="예: warehouse_code"
+                  className="text-xs"
+                />
+                <p className="text-muted-foreground text-xs">
+                  이 드롭다운의 옵션을 결정할 부모 필드의 컬럼명을 입력하세요.
+                </p>
+              </div>
+            )}
+            
+            {/* 선택된 관계 정보 표시 */}
+            {selectedRelation && localConfig.cascadingRole && (
+              <div className="bg-background space-y-1 rounded-md p-2 text-xs">
+                {localConfig.cascadingRole === "parent" ? (
+                  <>
+                    <div className="font-medium text-blue-600">부모 역할 (상위 선택)</div>
+                    <div>
+                      <span className="text-muted-foreground">데이터 소스:</span>{" "}
+                      <span className="font-medium">{selectedRelation.parent_table}</span>
+                    </div>
+                    <div>
+                      <span className="text-muted-foreground">저장 값:</span>{" "}
+                      <span className="font-medium">{selectedRelation.parent_value_column}</span>
+                    </div>
+                  </>
+                ) : (
+                  <>
+                    <div className="font-medium text-green-600">자식 역할 (하위 선택)</div>
+                    <div>
+                      <span className="text-muted-foreground">데이터 소스:</span>{" "}
+                      <span className="font-medium">{selectedRelation.child_table}</span>
+                    </div>
+                    <div>
+                      <span className="text-muted-foreground">저장 값:</span>{" "}
+                      <span className="font-medium">{selectedRelation.child_value_column}</span>
+                    </div>
+                    <div>
+                      <span className="text-muted-foreground">필터 컬럼:</span>{" "}
+                      <span className="font-medium">{selectedRelation.child_filter_column}</span>
+                    </div>
+                  </>
+                )}
+              </div>
+            )}
+            
+            {/* 관계 관리 페이지 링크 */}
+            <div className="flex justify-end">
+              <Link href="/admin/cascading-relations" target="_blank">
+                <Button variant="link" size="sm" className="h-auto p-0 text-xs">
+                  <ExternalLink className="mr-1 h-3 w-3" />
+                  관계 관리
+                </Button>
+              </Link>
+            </div>
+          </div>
+        )}
+      </div>
+
+      {/* 구분선 - 연쇄 드롭다운 비활성화 시에만 표시 */}
+      {!cascadingEnabled && (
+        <div className="border-t pt-4">
+          <p className="text-[10px] text-muted-foreground mb-4">
+            아래에서 직접 테이블/필드를 설정하세요.
+          </p>
+        </div>
+      )}
+
+      {/* 참조 테이블 자동 로드 정보 표시 */}
+      {referenceInfo.isLoading && (
+        <div className="bg-muted/50 rounded-md border p-3">
+          <p className="text-xs text-muted-foreground">참조 테이블 정보 로딩 중...</p>
+        </div>
+      )}
+      
+      {hasAutoReference && !cascadingEnabled && (
+        <div className="bg-primary/5 rounded-md border border-primary/20 p-3 space-y-2">
+          <div className="flex items-center gap-2">
+            <Database className="h-4 w-4 text-primary" />
+            <span className="text-xs font-medium text-primary">테이블 타입에서 자동 설정됨</span>
+          </div>
+          <div className="grid grid-cols-3 gap-2 text-xs">
+            <div>
+              <span className="text-muted-foreground">참조 테이블:</span>
+              <div className="font-medium">{referenceInfo.referenceTable}</div>
+            </div>
+            <div>
+              <span className="text-muted-foreground">값 필드:</span>
+              <div className="font-medium">{referenceInfo.referenceColumn || "id"}</div>
+            </div>
+            <div>
+              <span className="text-muted-foreground">표시 필드:</span>
+              <div className="font-medium">{referenceInfo.displayColumn || "name"}</div>
+            </div>
+          </div>
+          <p className="text-[10px] text-muted-foreground">
+            소스: {currentComponent?.tableName}.{currentComponent?.columnName}
+          </p>
+        </div>
+      )}
+      
+      {referenceInfo.error && !hasAutoReference && !cascadingEnabled && (
+        <div className="bg-amber-500/10 rounded-md border border-amber-500/20 p-3">
+          <p className="text-xs text-amber-700 flex items-center gap-1">
+            <Info className="h-3 w-3" />
+            {referenceInfo.error}
+          </p>
+          <p className="text-[10px] text-muted-foreground mt-1">
+            테이블을 수동으로 선택하세요.
+          </p>
+        </div>
+      )}
+
       <div className="space-y-2">
-        <Label className="text-xs sm:text-sm">테이블명 *</Label>
+        <Label className="text-xs sm:text-sm">
+          테이블명 *
+          {hasAutoReference && (
+            <span className="text-[10px] text-muted-foreground ml-2">(자동 설정됨)</span>
+          )}
+        </Label>
         <Popover open={openTableCombo} onOpenChange={setOpenTableCombo}>
           <PopoverTrigger asChild>
             <Button
diff --git a/frontend/lib/registry/components/entity-search-input/config.ts b/frontend/lib/registry/components/entity-search-input/config.ts
index 651d6186..e147736f 100644
--- a/frontend/lib/registry/components/entity-search-input/config.ts
+++ b/frontend/lib/registry/components/entity-search-input/config.ts
@@ -10,5 +10,10 @@ export interface EntitySearchInputConfig {
   modalColumns?: string[];
   showAdditionalInfo?: boolean;
   additionalFields?: string[];
+  
+  // 연쇄관계 설정 (cascading_relation 테이블과 연동)
+  cascadingRelationCode?: string; // 연쇄관계 코드 (WAREHOUSE_LOCATION 등)
+  cascadingRole?: "parent" | "child"; // 역할 (부모/자식)
+  cascadingParentField?: string; // 부모 필드의 컬럼명 (자식 역할일 때만 사용)
 }
 
diff --git a/frontend/lib/registry/components/entity-search-input/types.ts b/frontend/lib/registry/components/entity-search-input/types.ts
index c1dc680e..d29268b6 100644
--- a/frontend/lib/registry/components/entity-search-input/types.ts
+++ b/frontend/lib/registry/components/entity-search-input/types.ts
@@ -23,6 +23,13 @@ export interface EntitySearchInputProps {
   filterCondition?: Record<string, any>; // 추가 WHERE 조건
   companyCode?: string; // 멀티테넌시
 
+  // 연쇄관계 설정
+  cascadingRelationCode?: string; // 연쇄관계 코드 (cascading_relation 테이블)
+  cascadingRole?: "parent" | "child"; // 역할 (부모/자식)
+  parentFieldId?: string; // 부모 필드의 컬럼명 (자식 역할일 때, formData에서 값 추출용)
+  parentValue?: any; // 부모 필드의 현재 값 (직접 전달)
+  formData?: Record<string, any>; // 전체 폼 데이터 (부모 값 추출용)
+
   // 선택된 값
   value?: any;
   onChange?: (value: any, fullData?: any) => void;
diff --git a/frontend/lib/registry/components/related-data-buttons/RelatedDataButtonsComponent.tsx b/frontend/lib/registry/components/related-data-buttons/RelatedDataButtonsComponent.tsx
index cd535366..66c13255 100644
--- a/frontend/lib/registry/components/related-data-buttons/RelatedDataButtonsComponent.tsx
+++ b/frontend/lib/registry/components/related-data-buttons/RelatedDataButtonsComponent.tsx
@@ -16,9 +16,16 @@ declare global {
       masterData: Record<string, any> | null;
       config: RelatedDataButtonsConfig | null;
     };
+    // 🆕 RelatedDataButtons가 대상으로 하는 테이블 목록 (전역 레지스트리)
+    __relatedButtonsTargetTables?: Set<string>;
   }
 }
 
+// 전역 레지스트리 초기화
+if (typeof window !== "undefined" && !window.__relatedButtonsTargetTables) {
+  window.__relatedButtonsTargetTables = new Set();
+}
+
 interface RelatedDataButtonsComponentProps {
   config: RelatedDataButtonsConfig;
   className?: string;
@@ -59,11 +66,54 @@ export const RelatedDataButtonsComponent: React.FC<RelatedDataButtonsComponentPr
       setMasterData(null);
       setButtons([]);
       setSelectedId(null);
+      setSelectedItem(null);
+      
+      // 🆕 좌측 데이터가 없을 때 대상 테이블에 빈 상태 알림
+      if (config.events?.targetTable) {
+        window.dispatchEvent(new CustomEvent("related-button-select", {
+          detail: {
+            targetTable: config.events.targetTable,
+            filterColumn: config.events.targetFilterColumn,
+            filterValue: null, // null로 설정하여 빈 상태 표시
+            selectedData: null,
+          },
+        }));
+      }
       return;
     }
 
     setMasterData(splitPanelContext.selectedLeftData);
-  }, [splitPanelContext?.selectedLeftData]);
+  }, [splitPanelContext?.selectedLeftData, config.events]);
+
+  // 🆕 컴포넌트 마운트 시 대상 테이블에 필터 필요 알림
+  useEffect(() => {
+    if (config.events?.targetTable) {
+      // 전역 레지스트리에 등록
+      window.__relatedButtonsTargetTables?.add(config.events.targetTable);
+      
+      // 이벤트도 발생 (이미 마운트된 테이블 컴포넌트를 위해)
+      window.dispatchEvent(new CustomEvent("related-button-register", {
+        detail: {
+          targetTable: config.events.targetTable,
+          filterColumn: config.events.targetFilterColumn,
+        },
+      }));
+      console.log("📝 [RelatedDataButtons] 대상 테이블에 필터 등록:", config.events.targetTable);
+    }
+
+    return () => {
+      // 컴포넌트 언마운트 시 등록 해제
+      if (config.events?.targetTable) {
+        window.__relatedButtonsTargetTables?.delete(config.events.targetTable);
+        
+        window.dispatchEvent(new CustomEvent("related-button-unregister", {
+          detail: {
+            targetTable: config.events.targetTable,
+          },
+        }));
+      }
+    };
+  }, [config.events?.targetTable, config.events?.targetFilterColumn]);
 
   // 버튼 데이터 로드
   const loadButtons = useCallback(async () => {
diff --git a/frontend/lib/registry/components/table-list/TableListComponent.tsx b/frontend/lib/registry/components/table-list/TableListComponent.tsx
index d1063049..bed2b795 100644
--- a/frontend/lib/registry/components/table-list/TableListComponent.tsx
+++ b/frontend/lib/registry/components/table-list/TableListComponent.tsx
@@ -9,6 +9,13 @@ import { codeCache } from "@/lib/caching/codeCache";
 import { useEntityJoinOptimization } from "@/lib/hooks/useEntityJoinOptimization";
 import { getFullImageUrl } from "@/lib/api/client";
 import { Button } from "@/components/ui/button";
+
+// 🆕 RelatedDataButtons 전역 레지스트리 타입 선언
+declare global {
+  interface Window {
+    __relatedButtonsTargetTables?: Set<string>;
+  }
+}
 import {
   ChevronLeft,
   ChevronRight,
@@ -201,6 +208,9 @@ export interface TableListComponentProps {
   ) => void;
   onConfigChange?: (config: any) => void;
   refreshKey?: number;
+  // 탭 관련 정보 (탭 내부의 테이블에서 사용)
+  parentTabId?: string;           // 부모 탭 ID
+  parentTabsComponentId?: string; // 부모 탭 컴포넌트 ID
 }
 
 // ========================================
@@ -217,7 +227,7 @@ export const TableListComponent: React.FC<TableListComponentProps> = ({
   config,
   className,
   style,
-  formData: propFormData, // 🆕 부모에서 전달받은 formData
+  formData: propFormData,
   onFormDataChange,
   componentConfig,
   onSelectedRowsChange,
@@ -225,7 +235,9 @@ export const TableListComponent: React.FC<TableListComponentProps> = ({
   refreshKey,
   tableName,
   userId,
-  screenId, // 화면 ID 추출
+  screenId,
+  parentTabId,
+  parentTabsComponentId,
 }) => {
   // ========================================
   // 설정 및 스타일
@@ -310,6 +322,15 @@ export const TableListComponent: React.FC<TableListComponentProps> = ({
     filterValue: any;
   } | null>(null);
 
+  // 🆕 RelatedDataButtons가 이 테이블을 대상으로 등록되어 있는지 여부
+  const [isRelatedButtonTarget, setIsRelatedButtonTarget] = useState(() => {
+    // 초기값: 전역 레지스트리에서 확인
+    if (typeof window !== "undefined" && window.__relatedButtonsTargetTables) {
+      return window.__relatedButtonsTargetTables.has(tableConfig.selectedTable || "");
+    }
+    return false;
+  });
+
   // TableOptions Context
   const { registerTable, unregisterTable, updateTableDataCount } = useTableOptions();
   const [filters, setFilters] = useState<TableFilter[]>([]);
@@ -1000,7 +1021,11 @@ export const TableListComponent: React.FC<TableListComponentProps> = ({
       onGroupChange: setGrouping,
       onColumnVisibilityChange: setColumnVisibility,
       getColumnUniqueValues, // 고유 값 조회 함수 등록
-      onGroupSumChange: setGroupSumConfig, // 🆕 그룹별 합산 설정
+      onGroupSumChange: setGroupSumConfig, // 그룹별 합산 설정
+      // 탭 관련 정보 (탭 내부의 테이블인 경우)
+      parentTabId,
+      parentTabsComponentId,
+      screenId: screenId ? Number(screenId) : undefined,
     };
 
     registerTable(registration);
@@ -1554,6 +1579,16 @@ export const TableListComponent: React.FC<TableListComponentProps> = ({
         return;
       }
 
+      // 🆕 RelatedDataButtons 대상이지만 아직 버튼이 선택되지 않은 경우
+      // → 빈 데이터 표시 (모든 데이터를 보여주지 않음)
+      if (isRelatedButtonTarget && !relatedButtonFilter) {
+        console.log("⚠️ [TableList] RelatedDataButtons 대상이지만 버튼 미선택 → 빈 데이터 표시");
+        setData([]);
+        setTotalItems(0);
+        setLoading(false);
+        return;
+      }
+
       // 🆕 RelatedDataButtons 필터 값 준비
       let relatedButtonFilterValues: Record<string, any> = {};
       if (relatedButtonFilter) {
@@ -1767,6 +1802,7 @@ export const TableListComponent: React.FC<TableListComponentProps> = ({
     splitPanelContext?.selectedLeftData,
     // 🆕 RelatedDataButtons 필터 추가
     relatedButtonFilter,
+    isRelatedButtonTarget,
   ]);
 
   const fetchTableDataDebounced = useCallback(
@@ -4783,6 +4819,45 @@ export const TableListComponent: React.FC<TableListComponentProps> = ({
     };
   }, [tableConfig.selectedTable, isDesignMode]);
 
+  // 🆕 테이블명 변경 시 전역 레지스트리에서 확인
+  useEffect(() => {
+    if (typeof window !== "undefined" && window.__relatedButtonsTargetTables && tableConfig.selectedTable) {
+      const isTarget = window.__relatedButtonsTargetTables.has(tableConfig.selectedTable);
+      if (isTarget) {
+        console.log("📝 [TableList] 전역 레지스트리에서 RelatedDataButtons 대상 확인:", tableConfig.selectedTable);
+        setIsRelatedButtonTarget(true);
+      }
+    }
+  }, [tableConfig.selectedTable]);
+
+  // 🆕 RelatedDataButtons 등록/해제 이벤트 리스너
+  useEffect(() => {
+    const handleRelatedButtonRegister = (event: CustomEvent) => {
+      const { targetTable } = event.detail || {};
+      if (targetTable === tableConfig.selectedTable) {
+        console.log("📝 [TableList] RelatedDataButtons 대상으로 등록됨:", tableConfig.selectedTable);
+        setIsRelatedButtonTarget(true);
+      }
+    };
+
+    const handleRelatedButtonUnregister = (event: CustomEvent) => {
+      const { targetTable } = event.detail || {};
+      if (targetTable === tableConfig.selectedTable) {
+        console.log("📝 [TableList] RelatedDataButtons 대상에서 해제됨:", tableConfig.selectedTable);
+        setIsRelatedButtonTarget(false);
+        setRelatedButtonFilter(null);
+      }
+    };
+
+    window.addEventListener("related-button-register" as any, handleRelatedButtonRegister);
+    window.addEventListener("related-button-unregister" as any, handleRelatedButtonUnregister);
+
+    return () => {
+      window.removeEventListener("related-button-register" as any, handleRelatedButtonRegister);
+      window.removeEventListener("related-button-unregister" as any, handleRelatedButtonUnregister);
+    };
+  }, [tableConfig.selectedTable]);
+
   // 🆕 RelatedDataButtons 선택 이벤트 리스너 (버튼 선택 시 테이블 필터링)
   useEffect(() => {
     const handleRelatedButtonSelect = (event: CustomEvent) => {
@@ -4790,12 +4865,20 @@ export const TableListComponent: React.FC<TableListComponentProps> = ({
       
       // 이 테이블이 대상 테이블인지 확인
       if (targetTable === tableConfig.selectedTable) {
-        console.log("📌 [TableList] RelatedDataButtons 필터 적용:", {
-          tableName: tableConfig.selectedTable,
-          filterColumn,
-          filterValue,
-        });
-        setRelatedButtonFilter({ filterColumn, filterValue });
+        // filterValue가 null이면 선택 해제 (빈 상태)
+        if (filterValue === null || filterValue === undefined) {
+          console.log("📌 [TableList] RelatedDataButtons 선택 해제 (빈 상태):", tableConfig.selectedTable);
+          setRelatedButtonFilter(null);
+          setIsRelatedButtonTarget(true); // 대상으로 등록은 유지
+        } else {
+          console.log("📌 [TableList] RelatedDataButtons 필터 적용:", {
+            tableName: tableConfig.selectedTable,
+            filterColumn,
+            filterValue,
+          });
+          setRelatedButtonFilter({ filterColumn, filterValue });
+          setIsRelatedButtonTarget(true);
+        }
       }
     };
 
@@ -4808,8 +4891,12 @@ export const TableListComponent: React.FC<TableListComponentProps> = ({
 
   // 🆕 relatedButtonFilter 변경 시 데이터 다시 로드
   useEffect(() => {
-    if (relatedButtonFilter && !isDesignMode) {
-      console.log("🔄 [TableList] RelatedDataButtons 필터 변경으로 데이터 새로고침:", relatedButtonFilter);
+    if (!isDesignMode) {
+      // relatedButtonFilter가 있으면 데이터 로드, null이면 빈 상태 (setRefreshTrigger로 트리거)
+      console.log("🔄 [TableList] RelatedDataButtons 상태 변경:", { 
+        relatedButtonFilter, 
+        isRelatedButtonTarget 
+      });
       setRefreshTrigger((prev) => prev + 1);
     }
   }, [relatedButtonFilter, isDesignMode]);
diff --git a/frontend/lib/registry/components/table-search-widget/TableSearchWidget.tsx b/frontend/lib/registry/components/table-search-widget/TableSearchWidget.tsx
index 0dde5ea9..e486338a 100644
--- a/frontend/lib/registry/components/table-search-widget/TableSearchWidget.tsx
+++ b/frontend/lib/registry/components/table-search-widget/TableSearchWidget.tsx
@@ -6,6 +6,7 @@ import { Input } from "@/components/ui/input";
 import { Settings, Filter, Layers, X, Check, ChevronsUpDown } from "lucide-react";
 import { useTableOptions } from "@/contexts/TableOptionsContext";
 import { useTableSearchWidgetHeight } from "@/contexts/TableSearchWidgetHeightContext";
+import { useActiveTab } from "@/contexts/ActiveTabContext";
 import { ColumnVisibilityPanel } from "@/components/screen/table-options/ColumnVisibilityPanel";
 import { FilterPanel } from "@/components/screen/table-options/FilterPanel";
 import { GroupingPanel } from "@/components/screen/table-options/GroupingPanel";
@@ -49,8 +50,9 @@ interface TableSearchWidgetProps {
 }
 
 export function TableSearchWidget({ component, screenId, onHeightChange }: TableSearchWidgetProps) {
-  const { registeredTables, selectedTableId, setSelectedTableId, getTable } = useTableOptions();
+  const { registeredTables, selectedTableId, setSelectedTableId, getTable, getActiveTabTables } = useTableOptions();
   const { isPreviewMode } = useScreenPreview(); // 미리보기 모드 확인
+  const { getAllActiveTabIds, activeTabs } = useActiveTab(); // 활성 탭 정보
 
   // 높이 관리 context (실제 화면에서만 사용)
   let setWidgetHeight:
@@ -63,6 +65,9 @@ export function TableSearchWidget({ component, screenId, onHeightChange }: Table
     // Context가 없으면 (디자이너 모드) 무시
     setWidgetHeight = undefined;
   }
+  
+  // 탭별 필터 값 저장 (탭 ID -> 필터 값)
+  const [tabFilterValues, setTabFilterValues] = useState<Record<string, Record<string, any>>>({});
 
   const [columnVisibilityOpen, setColumnVisibilityOpen] = useState(false);
   const [filterOpen, setFilterOpen] = useState(false);
@@ -88,38 +93,48 @@ export function TableSearchWidget({ component, screenId, onHeightChange }: Table
   // Map을 배열로 변환
   const allTableList = Array.from(registeredTables.values());
   
-  // 대상 패널 위치에 따라 테이블 필터링 (tableId 패턴 기반)
+  // 현재 활성 탭 ID 목록
+  const activeTabIds = useMemo(() => getAllActiveTabIds(), [activeTabs]);
+  
+  // 대상 패널 위치 + 활성 탭에 따라 테이블 필터링
   const tableList = useMemo(() => {
-    // "auto"면 모든 테이블 반환
-    if (targetPanelPosition === "auto") {
-      return allTableList;
-    }
-
-    // 테이블 ID 패턴으로 필터링
-    // card-display-XXX: 좌측 패널 (카드 디스플레이)
-    // datatable-XXX, table-list-XXX: 우측 패널 (테이블 리스트)
-    const filteredTables = allTableList.filter(table => {
-      const tableId = table.tableId.toLowerCase();
-      
-      if (targetPanelPosition === "left") {
-        // 좌측 패널 대상: card-display만
-        return tableId.includes("card-display") || tableId.includes("card");
-      } else if (targetPanelPosition === "right") {
-        // 우측 패널 대상: datatable, table-list 등 (card-display 제외)
-        const isCardDisplay = tableId.includes("card-display") || tableId.includes("card");
-        return !isCardDisplay;
-      }
-      
-      return true;
+    // 1단계: 활성 탭 기반 필터링
+    // - 활성 탭에 속한 테이블만 표시
+    // - 탭에 속하지 않은 테이블(parentTabId가 없는)도 포함
+    let filteredByTab = allTableList.filter(table => {
+      // 탭에 속하지 않는 테이블은 항상 표시
+      if (!table.parentTabId) return true;
+      // 활성 탭에 속한 테이블만 표시
+      return activeTabIds.includes(table.parentTabId);
     });
 
-    // 필터링된 결과가 없으면 모든 테이블 반환 (폴백)
-    if (filteredTables.length === 0) {
-      return allTableList;
+    // 2단계: 대상 패널 위치에 따라 추가 필터링
+    if (targetPanelPosition !== "auto") {
+      filteredByTab = filteredByTab.filter(table => {
+        const tableId = table.tableId.toLowerCase();
+        
+        if (targetPanelPosition === "left") {
+          // 좌측 패널 대상: card-display만
+          return tableId.includes("card-display") || tableId.includes("card");
+        } else if (targetPanelPosition === "right") {
+          // 우측 패널 대상: datatable, table-list 등 (card-display 제외)
+          const isCardDisplay = tableId.includes("card-display") || tableId.includes("card");
+          return !isCardDisplay;
+        }
+        
+        return true;
+      });
     }
 
-    return filteredTables;
-  }, [allTableList, targetPanelPosition]);
+    // 필터링된 결과가 없으면 탭 기반 필터링 결과만 반환
+    if (filteredByTab.length === 0) {
+      return allTableList.filter(table => 
+        !table.parentTabId || activeTabIds.includes(table.parentTabId)
+      );
+    }
+
+    return filteredByTab;
+  }, [allTableList, targetPanelPosition, activeTabIds]);
 
   // currentTable은 tableList(필터링된 목록)에서 가져와야 함
   const currentTable = useMemo(() => {
@@ -151,6 +166,34 @@ export function TableSearchWidget({ component, screenId, onHeightChange }: Table
     }
   }, [tableList, selectedTableId, autoSelectFirstTable, setSelectedTableId, targetPanelPosition]);
 
+  // 현재 선택된 테이블의 탭 ID (탭별 필터 저장용)
+  const currentTableTabId = currentTable?.parentTabId;
+
+  // 탭별 필터 값 저장 키 생성
+  const getTabFilterStorageKey = (tableName: string, tabId?: string) => {
+    const baseKey = screenId 
+      ? `table_filter_values_${tableName}_screen_${screenId}`
+      : `table_filter_values_${tableName}`;
+    return tabId ? `${baseKey}_tab_${tabId}` : baseKey;
+  };
+
+  // 탭 변경 시 이전 탭의 필터 값 저장 + 새 탭의 필터 값 복원
+  useEffect(() => {
+    if (!currentTable?.tableName) return;
+    
+    // 현재 필터 값이 있으면 탭별로 저장
+    if (Object.keys(filterValues).length > 0 && currentTableTabId) {
+      const storageKey = getTabFilterStorageKey(currentTable.tableName, currentTableTabId);
+      localStorage.setItem(storageKey, JSON.stringify(filterValues));
+      
+      // 메모리 캐시에도 저장
+      setTabFilterValues(prev => ({
+        ...prev,
+        [currentTableTabId]: filterValues
+      }));
+    }
+  }, [currentTableTabId, currentTable?.tableName]);
+
   // 현재 테이블의 저장된 필터 불러오기 (동적 모드) 또는 고정 필터 적용 (고정 모드)
   useEffect(() => {
     if (!currentTable?.tableName) return;
@@ -165,14 +208,32 @@ export function TableSearchWidget({ component, screenId, onHeightChange }: Table
         width: f.width || 200,
       }));
       setActiveFilters(activeFiltersList);
+      
+      // 탭별 저장된 필터 값 복원
+      if (currentTableTabId) {
+        const storageKey = getTabFilterStorageKey(currentTable.tableName, currentTableTabId);
+        const savedValues = localStorage.getItem(storageKey);
+        if (savedValues) {
+          try {
+            const parsedValues = JSON.parse(savedValues);
+            setFilterValues(parsedValues);
+            // 즉시 필터 적용
+            setTimeout(() => applyFilters(parsedValues), 100);
+          } catch {
+            setFilterValues({});
+          }
+        } else {
+          setFilterValues({});
+        }
+      }
       return;
     }
 
-    // 동적 모드: 화면별로 독립적인 필터 설정 불러오기
-    const storageKey = screenId 
-      ? `table_filters_${currentTable.tableName}_screen_${screenId}`
+    // 동적 모드: 화면별 + 탭별로 독립적인 필터 설정 불러오기
+    const filterConfigKey = screenId 
+      ? `table_filters_${currentTable.tableName}_screen_${screenId}${currentTableTabId ? `_tab_${currentTableTabId}` : ''}`
       : `table_filters_${currentTable.tableName}`;
-    const savedFilters = localStorage.getItem(storageKey);
+    const savedFilters = localStorage.getItem(filterConfigKey);
 
     if (savedFilters) {
       try {
@@ -193,16 +254,39 @@ export function TableSearchWidget({ component, screenId, onHeightChange }: Table
             operator: "contains",
             value: "",
             filterType: f.filterType,
-            width: f.width || 200, // 저장된 너비 포함
+            width: f.width || 200,
           }));
 
         setActiveFilters(activeFiltersList);
+        
+        // 탭별 저장된 필터 값 복원
+        if (currentTableTabId) {
+          const valuesStorageKey = getTabFilterStorageKey(currentTable.tableName, currentTableTabId);
+          const savedValues = localStorage.getItem(valuesStorageKey);
+          if (savedValues) {
+            try {
+              const parsedValues = JSON.parse(savedValues);
+              setFilterValues(parsedValues);
+              // 즉시 필터 적용
+              setTimeout(() => applyFilters(parsedValues), 100);
+            } catch {
+              setFilterValues({});
+            }
+          } else {
+            setFilterValues({});
+          }
+        } else {
+          setFilterValues({});
+        }
       } catch (error) {
         console.error("저장된 필터 불러오기 실패:", error);
       }
+    } else {
+      // 필터 설정이 없으면 초기화
+      setFilterValues({});
     }
     // eslint-disable-next-line react-hooks/exhaustive-deps
-  }, [currentTable?.tableName, filterMode, screenId, JSON.stringify(presetFilters)]);
+  }, [currentTable?.tableName, filterMode, screenId, currentTableTabId, JSON.stringify(presetFilters)]);
 
   // select 옵션 초기 로드 (한 번만 실행, 이후 유지)
   useEffect(() => {
@@ -300,6 +384,12 @@ export function TableSearchWidget({ component, screenId, onHeightChange }: Table
 
     setFilterValues(newValues);
 
+    // 탭별 필터 값 저장
+    if (currentTable?.tableName && currentTableTabId) {
+      const storageKey = getTabFilterStorageKey(currentTable.tableName, currentTableTabId);
+      localStorage.setItem(storageKey, JSON.stringify(newValues));
+    }
+
     // 실시간 검색: 값 변경 시 즉시 필터 적용
     applyFilters(newValues);
   };
@@ -365,6 +455,12 @@ export function TableSearchWidget({ component, screenId, onHeightChange }: Table
     setFilterValues({});
     setSelectedLabels({});
     currentTable?.onFilterChange([]);
+    
+    // 탭별 저장된 필터 값도 초기화
+    if (currentTable?.tableName && currentTableTabId) {
+      const storageKey = getTabFilterStorageKey(currentTable.tableName, currentTableTabId);
+      localStorage.removeItem(storageKey);
+    }
   };
 
   // 필터 입력 필드 렌더링
diff --git a/frontend/lib/utils/getComponentConfigPanel.tsx b/frontend/lib/utils/getComponentConfigPanel.tsx
index cf4b43b8..ee0c27ea 100644
--- a/frontend/lib/utils/getComponentConfigPanel.tsx
+++ b/frontend/lib/utils/getComponentConfigPanel.tsx
@@ -397,7 +397,6 @@ export const DynamicComponentConfigPanel: React.FC<ComponentConfigPanelProps> =
   // 🆕 수주 등록 관련 컴포넌트들은 간단한 인터페이스 사용
   const isSimpleConfigPanel = [
     "autocomplete-search-input",
-    "entity-search-input",
     "modal-repeater-table",
     "conditional-container",
   ].includes(componentId);
@@ -406,6 +405,19 @@ export const DynamicComponentConfigPanel: React.FC<ComponentConfigPanelProps> =
     return <ConfigPanelComponent config={config} onConfigChange={onChange} />;
   }
 
+  // entity-search-input은 currentComponent 정보 필요 (참조 테이블 자동 로드용)
+  // 그리고 allComponents 필요 (연쇄관계 부모 필드 선택용)
+  if (componentId === "entity-search-input") {
+    return (
+      <ConfigPanelComponent 
+        config={config} 
+        onConfigChange={onChange} 
+        currentComponent={currentComponent}
+        allComponents={allComponents}
+      />
+    );
+  }
+
   // 🆕 selected-items-detail-input은 특별한 props 사용
   if (componentId === "selected-items-detail-input") {
     return (
diff --git a/frontend/types/table-options.ts b/frontend/types/table-options.ts
index 5685f127..3fcdb846 100644
--- a/frontend/types/table-options.ts
+++ b/frontend/types/table-options.ts
@@ -55,12 +55,17 @@ export interface TableRegistration {
   tableName: string; // 실제 DB 테이블명 (예: "item_info")
   columns: TableColumn[];
   dataCount?: number; // 현재 표시된 데이터 건수
+  
+  // 탭 관련 정보 (탭 내부에 있는 테이블의 경우)
+  parentTabId?: string;        // 부모 탭 ID
+  parentTabsComponentId?: string; // 부모 탭 컴포넌트 ID
+  screenId?: number;           // 소속 화면 ID
 
   // 콜백 함수들
   onFilterChange: (filters: TableFilter[]) => void;
   onGroupChange: (groups: string[]) => void;
   onColumnVisibilityChange: (columns: ColumnVisibility[]) => void;
-  onGroupSumChange?: (config: GroupSumConfig | null) => void; // 🆕 그룹별 합산 설정 변경
+  onGroupSumChange?: (config: GroupSumConfig | null) => void; // 그룹별 합산 설정 변경
 
   // 데이터 조회 함수 (선택 타입 필터용)
   getColumnUniqueValues?: (columnName: string) => Promise<Array<{ label: string; value: string }>>;
@@ -77,4 +82,8 @@ export interface TableOptionsContextValue {
   updateTableDataCount: (tableId: string, count: number) => void; // 데이터 건수 업데이트
   selectedTableId: string | null;
   setSelectedTableId: (tableId: string | null) => void;
+  
+  // 활성 탭 기반 필터링
+  getActiveTabTables: () => TableRegistration[]; // 현재 활성 탭의 테이블만 반환
+  getTablesForTab: (tabId: string) => TableRegistration[]; // 특정 탭의 테이블만 반환
 }