diff --git a/frontend/components/screen/InteractiveScreenViewer.tsx b/frontend/components/screen/InteractiveScreenViewer.tsx
index 4b5d70e8..4c3e6506 100644
--- a/frontend/components/screen/InteractiveScreenViewer.tsx
+++ b/frontend/components/screen/InteractiveScreenViewer.tsx
@@ -346,6 +346,14 @@ export const InteractiveScreenViewer: React.FC<InteractiveScreenViewerProps> = (
 
   // 실제 사용 가능한 위젯 렌더링
   const renderInteractiveWidget = (comp: ComponentData) => {
+    console.log("🎯 renderInteractiveWidget 호출:", {
+      type: comp.type,
+      id: comp.id,
+      componentId: (comp as any).componentId,
+      hasComponentConfig: !!(comp as any).componentConfig,
+      componentConfig: (comp as any).componentConfig,
+    });
+
     // 데이터 테이블 컴포넌트 처리
     if (comp.type === "datatable") {
       return (
@@ -398,7 +406,8 @@ export const InteractiveScreenViewer: React.FC<InteractiveScreenViewerProps> = (
     }
 
     // 탭 컴포넌트 처리
-    if (comp.type === "tabs" || (comp.type === "component" && comp.componentId === "tabs-widget")) {
+    const componentType = (comp as any).componentType || (comp as any).componentId;
+    if (comp.type === "tabs" || (comp.type === "component" && componentType === "tabs-widget")) {
       const TabsWidget = require("@/components/screen/widgets/TabsWidget").TabsWidget;
       
       // componentConfig에서 탭 정보 추출
@@ -416,6 +425,7 @@ export const InteractiveScreenViewer: React.FC<InteractiveScreenViewerProps> = (
       
       console.log("🔍 탭 컴포넌트 렌더링:", {
         originalType: comp.type,
+        componentType,
         componentId: (comp as any).componentId,
         tabs: tabsComponent.tabs,
         tabsConfig,
diff --git a/frontend/components/screen/RealtimePreview.tsx b/frontend/components/screen/RealtimePreview.tsx
index 7a0dbc34..0270ffa8 100644
--- a/frontend/components/screen/RealtimePreview.tsx
+++ b/frontend/components/screen/RealtimePreview.tsx
@@ -555,41 +555,70 @@ export const RealtimePreviewDynamic: React.FC<RealtimePreviewProps> = ({
           })()}
 
         {/* 탭 컴포넌트 타입 */}
-        {(type === "tabs" || (type === "component" && (component as any).componentId === "tabs-widget")) &&
+        {(type === "tabs" || (type === "component" && ((component as any).componentType === "tabs-widget" || (component as any).componentId === "tabs-widget"))) &&
           (() => {
-            const tabsComponent = component as any;
-            // componentConfig에서 탭 정보 가져오기
-            const tabs = tabsComponent.componentConfig?.tabs || tabsComponent.tabs || [];
+            console.log("🎯 탭 컴포넌트 조건 충족:", {
+              type,
+              componentType: (component as any).componentType,
+              componentId: (component as any).componentId,
+              isDesignMode,
+            });
 
-            return (
-              <div className="flex h-full w-full items-center justify-center rounded border-2 border-dashed border-gray-300 bg-gray-50">
-                <div className="text-center">
-                  <div className="flex items-center justify-center">
-                    <Folder className="h-8 w-8 text-gray-400" />
-                  </div>
-                  <p className="text-muted-foreground mt-2 text-sm font-medium">탭 컴포넌트</p>
-                  <p className="text-xs text-gray-400">
-                    {tabs.length > 0
-                      ? `${tabs.length}개의 탭 (실제 화면에서 표시됩니다)`
-                      : "탭이 없습니다. 설정 패널에서 탭을 추가하세요"}
-                  </p>
-                  {tabs.length > 0 && (
-                    <div className="mt-2 flex flex-wrap justify-center gap-1">
-                      {tabs.map((tab: any, index: number) => (
-                        <Badge key={tab.id} variant="outline" className="text-xs">
-                          {tab.label || `탭 ${index + 1}`}
-                          {tab.screenName && (
-                            <span className="ml-1 text-[10px] text-gray-400">
-                              ({tab.screenName})
-                            </span>
-                          )}
-                        </Badge>
-                      ))}
+            if (isDesignMode) {
+              // 디자인 모드: 미리보기 표시
+              const tabsComponent = component as any;
+              const tabs = tabsComponent.componentConfig?.tabs || tabsComponent.tabs || [];
+
+              return (
+                <div className="flex h-full w-full items-center justify-center rounded border-2 border-dashed border-gray-300 bg-gray-50">
+                  <div className="text-center">
+                    <div className="flex items-center justify-center">
+                      <Folder className="h-8 w-8 text-gray-400" />
                     </div>
-                  )}
+                    <p className="text-muted-foreground mt-2 text-sm font-medium">탭 컴포넌트</p>
+                    <p className="text-xs text-gray-400">
+                      {tabs.length > 0
+                        ? `${tabs.length}개의 탭 (실제 화면에서 표시됩니다)`
+                        : "탭이 없습니다. 설정 패널에서 탭을 추가하세요"}
+                    </p>
+                    {tabs.length > 0 && (
+                      <div className="mt-2 flex flex-wrap justify-center gap-1">
+                        {tabs.map((tab: any, index: number) => (
+                          <Badge key={tab.id} variant="outline" className="text-xs">
+                            {tab.label || `탭 ${index + 1}`}
+                            {tab.screenName && (
+                              <span className="ml-1 text-[10px] text-gray-400">
+                                ({tab.screenName})
+                              </span>
+                            )}
+                          </Badge>
+                        ))}
+                      </div>
+                    )}
+                  </div>
                 </div>
-              </div>
-            );
+              );
+            } else {
+              // 실제 화면: TabsWidget 렌더링
+              const TabsWidget = require("@/components/screen/widgets/TabsWidget").TabsWidget;
+              const tabsConfig = (component as any).componentConfig || {};
+              const tabsComponent = {
+                ...component,
+                type: "tabs" as const,
+                tabs: tabsConfig.tabs || [],
+                defaultTab: tabsConfig.defaultTab,
+                orientation: tabsConfig.orientation || "horizontal",
+                variant: tabsConfig.variant || "default",
+                allowCloseable: tabsConfig.allowCloseable || false,
+                persistSelection: tabsConfig.persistSelection || false,
+              };
+
+              return (
+                <div className="h-full w-full">
+                  <TabsWidget component={tabsComponent as any} />
+                </div>
+              );
+            }
           })()}
 
         {/* 그룹 타입 */}
diff --git a/frontend/components/screen/widgets/TabsWidget.tsx b/frontend/components/screen/widgets/TabsWidget.tsx
index 90608a4b..683017cf 100644
--- a/frontend/components/screen/widgets/TabsWidget.tsx
+++ b/frontend/components/screen/widgets/TabsWidget.tsx
@@ -60,24 +60,45 @@ export function TabsWidget({ component, className, style }: TabsWidgetProps) {
     }
   }, [selectedTab, persistSelection, storageKey]);
 
+  // 초기 로드 시 선택된 탭의 화면 불러오기
+  useEffect(() => {
+    const currentTab = visibleTabs.find((t) => t.id === selectedTab);
+    console.log("🔄 초기 탭 로드:", {
+      selectedTab,
+      currentTab,
+      hasScreenId: !!currentTab?.screenId,
+      screenId: currentTab?.screenId,
+    });
+    
+    if (currentTab && currentTab.screenId && !screenLayouts[currentTab.screenId]) {
+      console.log("📥 초기 화면 로딩 시작:", currentTab.screenId);
+      loadScreenLayout(currentTab.screenId);
+    }
+  }, [selectedTab, visibleTabs]);
+
   // 화면 레이아웃 로드
   const loadScreenLayout = async (screenId: number) => {
     if (screenLayouts[screenId]) {
+      console.log("✅ 이미 로드된 화면:", screenId);
       return; // 이미 로드됨
     }
 
+    console.log("📥 화면 레이아웃 로딩 시작:", screenId);
     setLoadingScreens((prev) => ({ ...prev, [screenId]: true }));
 
     try {
-      const response = await fetch(`/api/screen-management/screens/${screenId}/layout`);
-      if (response.ok) {
-        const data = await response.json();
-        if (data.success && data.data) {
-          setScreenLayouts((prev) => ({ ...prev, [screenId]: data.data }));
-        }
+      const { apiClient } = await import("@/lib/api/client");
+      const response = await apiClient.get(`/screen-management/screens/${screenId}/layout`);
+      console.log("📦 API 응답:", { screenId, success: response.data.success, hasData: !!response.data.data });
+      
+      if (response.data.success && response.data.data) {
+        console.log("✅ 화면 레이아웃 로드 완료:", screenId);
+        setScreenLayouts((prev) => ({ ...prev, [screenId]: response.data.data }));
+      } else {
+        console.error("❌ 화면 레이아웃 로드 실패 - success false");
       }
     } catch (error) {
-      console.error(`Failed to load screen layout ${screenId}:`, error);
+      console.error(`❌ 화면 레이아웃 로드 실패 ${screenId}:`, error);
     } finally {
       setLoadingScreens((prev) => ({ ...prev, [screenId]: false }));
     }
@@ -85,11 +106,15 @@ export function TabsWidget({ component, className, style }: TabsWidgetProps) {
 
   // 탭 변경 핸들러
   const handleTabChange = (tabId: string) => {
+    console.log("🔄 탭 변경:", tabId);
     setSelectedTab(tabId);
 
     // 해당 탭의 화면 로드
     const tab = visibleTabs.find((t) => t.id === tabId);
+    console.log("🔍 선택된 탭 정보:", { tab, hasScreenId: !!tab?.screenId, screenId: tab?.screenId });
+    
     if (tab && tab.screenId && !screenLayouts[tab.screenId]) {
+      console.log("📥 탭 변경 시 화면 로딩:", tab.screenId);
       loadScreenLayout(tab.screenId);
     }
   };
@@ -120,6 +145,7 @@ export function TabsWidget({ component, className, style }: TabsWidgetProps) {
   };
 
   if (visibleTabs.length === 0) {
+    console.log("⚠️ 보이는 탭이 없음");
     return (
       <div className="flex h-full w-full items-center justify-center rounded border-2 border-dashed border-gray-300 bg-gray-50">
         <p className="text-muted-foreground text-sm">탭이 없습니다</p>
@@ -127,61 +153,106 @@ export function TabsWidget({ component, className, style }: TabsWidgetProps) {
     );
   }
 
-  return (
-    <Tabs
-      value={selectedTab}
-      onValueChange={handleTabChange}
-      orientation={orientation}
-      className={className}
-      style={style}
-    >
-      <TabsList className={getTabsListClass()}>
-        {visibleTabs.map((tab) => (
-          <div key={tab.id} className="relative">
-            <TabsTrigger value={tab.id} disabled={tab.disabled} className="relative pr-8">
-              {tab.label}
-            </TabsTrigger>
-            {allowCloseable && (
-              <Button
-                onClick={(e) => handleCloseTab(tab.id, e)}
-                variant="ghost"
-                size="sm"
-                className="absolute right-1 top-1/2 h-5 w-5 -translate-y-1/2 p-0 hover:bg-destructive/10"
-              >
-                <X className="h-3 w-3" />
-              </Button>
-            )}
-          </div>
-        ))}
-      </TabsList>
+  console.log("🎨 TabsWidget 최종 렌더링:", {
+    visibleTabsCount: visibleTabs.length,
+    selectedTab,
+    screenLayoutsKeys: Object.keys(screenLayouts),
+    loadingScreensKeys: Object.keys(loadingScreens),
+  });
 
-      {visibleTabs.map((tab) => (
-        <TabsContent key={tab.id} value={tab.id} className="h-full w-full">
-          {tab.screenId ? (
-            loadingScreens[tab.screenId] ? (
-              <div className="flex h-full w-full items-center justify-center">
-                <Loader2 className="h-8 w-8 animate-spin text-primary" />
-                <span className="text-muted-foreground ml-2">화면 로딩 중...</span>
+  return (
+    <div className="flex h-full w-full flex-col pt-4" style={style}>
+      <Tabs
+        value={selectedTab}
+        onValueChange={handleTabChange}
+        orientation={orientation}
+        className="flex h-full w-full flex-col"
+      >
+        <div className="relative z-10">
+          <TabsList className={getTabsListClass()}>
+            {visibleTabs.map((tab) => (
+              <div key={tab.id} className="relative">
+                <TabsTrigger value={tab.id} disabled={tab.disabled} className="relative pr-8">
+                  {tab.label}
+                </TabsTrigger>
+                {allowCloseable && (
+                  <Button
+                    onClick={(e) => handleCloseTab(tab.id, e)}
+                    variant="ghost"
+                    size="sm"
+                    className="absolute right-1 top-1/2 h-5 w-5 -translate-y-1/2 p-0 hover:bg-destructive/10"
+                  >
+                    <X className="h-3 w-3" />
+                  </Button>
+                )}
               </div>
-            ) : screenLayouts[tab.screenId] ? (
-              <div className="h-full w-full overflow-auto">
-                <InteractiveScreenViewerDynamic
-                  component={screenLayouts[tab.screenId].components[0]}
-                  allComponents={screenLayouts[tab.screenId].components}
-                />
-              </div>
-            ) : (
-              <div className="flex h-full w-full items-center justify-center">
-                <p className="text-muted-foreground text-sm">화면을 불러올 수 없습니다</p>
-              </div>
-            )
-          ) : (
-            <div className="flex h-full w-full items-center justify-center rounded border-2 border-dashed border-gray-300 bg-gray-50">
-              <p className="text-muted-foreground text-sm">연결된 화면이 없습니다</p>
-            </div>
-          )}
-        </TabsContent>
-      ))}
-    </Tabs>
+            ))}
+          </TabsList>
+        </div>
+
+        <div className="relative flex-1 overflow-hidden">
+          {visibleTabs.map((tab) => (
+            <TabsContent key={tab.id} value={tab.id} className="h-full">
+              {tab.screenId ? (
+                loadingScreens[tab.screenId] ? (
+                  <div className="flex h-full w-full items-center justify-center">
+                    <Loader2 className="h-8 w-8 animate-spin text-primary" />
+                    <span className="text-muted-foreground ml-2">화면 로딩 중...</span>
+                  </div>
+                ) : screenLayouts[tab.screenId] ? (
+                  (() => {
+                    const layoutData = screenLayouts[tab.screenId];
+                    const { components = [], screenResolution } = layoutData;
+                    
+                    console.log("🎯 렌더링할 화면 데이터:", {
+                      screenId: tab.screenId,
+                      componentsCount: components.length,
+                      screenResolution,
+                    });
+
+                    const designWidth = screenResolution?.width || 1920;
+                    const designHeight = screenResolution?.height || 1080;
+
+                    return (
+                      <div 
+                        className="relative h-full w-full overflow-auto bg-background"
+                        style={{
+                          minHeight: `${designHeight}px`,
+                        }}
+                      >
+                        <div
+                          className="relative"
+                          style={{
+                            width: `${designWidth}px`,
+                            height: `${designHeight}px`,
+                            margin: "0 auto",
+                          }}
+                        >
+                          {components.map((component: any) => (
+                            <InteractiveScreenViewerDynamic
+                              key={component.id}
+                              component={component}
+                              allComponents={components}
+                            />
+                          ))}
+                        </div>
+                      </div>
+                    );
+                  })()
+                ) : (
+                  <div className="flex h-full w-full items-center justify-center">
+                    <p className="text-muted-foreground text-sm">화면을 불러올 수 없습니다</p>
+                  </div>
+                )
+              ) : (
+                <div className="flex h-full w-full items-center justify-center rounded border-2 border-dashed border-gray-300 bg-gray-50">
+                  <p className="text-muted-foreground text-sm">연결된 화면이 없습니다</p>
+                </div>
+              )}
+            </TabsContent>
+          ))}
+        </div>
+      </Tabs>
+    </div>
   );
 }
diff --git a/frontend/lib/registry/components/tabs/tabs-component.tsx b/frontend/lib/registry/components/tabs/tabs-component.tsx
index 18fbf297..9006d78e 100644
--- a/frontend/lib/registry/components/tabs/tabs-component.tsx
+++ b/frontend/lib/registry/components/tabs/tabs-component.tsx
@@ -6,6 +6,40 @@ import { ComponentCategory } from "@/types/component";
 import { Folder } from "lucide-react";
 import type { TabsComponent, TabItem } from "@/types/screen-management";
 
+// TabsWidget 래퍼 컴포넌트
+const TabsWidgetWrapper: React.FC<any> = (props) => {
+  const { component, ...restProps } = props;
+  
+  // componentConfig에서 탭 정보 추출
+  const tabsConfig = component.componentConfig || {};
+  const tabsComponent = {
+    ...component,
+    type: "tabs" as const,
+    tabs: tabsConfig.tabs || [],
+    defaultTab: tabsConfig.defaultTab,
+    orientation: tabsConfig.orientation || "horizontal",
+    variant: tabsConfig.variant || "default",
+    allowCloseable: tabsConfig.allowCloseable || false,
+    persistSelection: tabsConfig.persistSelection || false,
+  };
+
+  console.log("🎨 TabsWidget 렌더링:", {
+    componentId: component.id,
+    tabs: tabsComponent.tabs,
+    tabsLength: tabsComponent.tabs.length,
+    component,
+  });
+
+  // TabsWidget 동적 로드
+  const TabsWidget = require("@/components/screen/widgets/TabsWidget").TabsWidget;
+  
+  return (
+    <div className="h-full w-full">
+      <TabsWidget component={tabsComponent} {...restProps} />
+    </div>
+  );
+};
+
 /**
  * 탭 컴포넌트 정의
  * 
@@ -17,7 +51,7 @@ ComponentRegistry.registerComponent({
   description: "화면을 탭으로 전환할 수 있는 컴포넌트입니다. 각 탭마다 다른 화면을 연결할 수 있습니다.",
   category: ComponentCategory.LAYOUT,
   webType: "text" as any, // 레이아웃 컴포넌트이므로 임시값
-  component: () => null as any, // 레이아웃 컴포넌트이므로 임시값
+  component: TabsWidgetWrapper, // ✅ 실제 TabsWidget 렌더러
   defaultConfig: {},
   tags: ["tabs", "navigation", "layout", "screen"],
   icon: Folder,