diff --git a/frontend/components/report/designer/ReportDesignerRightPanel.tsx b/frontend/components/report/designer/ReportDesignerRightPanel.tsx
index e3a24025..037125ee 100644
--- a/frontend/components/report/designer/ReportDesignerRightPanel.tsx
+++ b/frontend/components/report/designer/ReportDesignerRightPanel.tsx
@@ -2589,12 +2589,13 @@ export function ReportDesignerRightPanel() {
                           <Label className="text-xs">상단</Label>
                           <Input
                             type="number"
+                            min={0}
                             value={currentPage.margins.top}
                             onChange={(e) =>
                               updatePageSettings(currentPageId, {
                                 margins: {
                                   ...currentPage.margins,
-                                  top: Number(e.target.value),
+                                  top: Math.max(0, Number(e.target.value)),
                                 },
                               })
                             }
@@ -2605,12 +2606,13 @@ export function ReportDesignerRightPanel() {
                           <Label className="text-xs">하단</Label>
                           <Input
                             type="number"
+                            min={0}
                             value={currentPage.margins.bottom}
                             onChange={(e) =>
                               updatePageSettings(currentPageId, {
                                 margins: {
                                   ...currentPage.margins,
-                                  bottom: Number(e.target.value),
+                                  bottom: Math.max(0, Number(e.target.value)),
                                 },
                               })
                             }
@@ -2621,12 +2623,13 @@ export function ReportDesignerRightPanel() {
                           <Label className="text-xs">좌측</Label>
                           <Input
                             type="number"
+                            min={0}
                             value={currentPage.margins.left}
                             onChange={(e) =>
                               updatePageSettings(currentPageId, {
                                 margins: {
                                   ...currentPage.margins,
-                                  left: Number(e.target.value),
+                                  left: Math.max(0, Number(e.target.value)),
                                 },
                               })
                             }
@@ -2637,12 +2640,13 @@ export function ReportDesignerRightPanel() {
                           <Label className="text-xs">우측</Label>
                           <Input
                             type="number"
+                            min={0}
                             value={currentPage.margins.right}
                             onChange={(e) =>
                               updatePageSettings(currentPageId, {
                                 margins: {
                                   ...currentPage.margins,
-                                  right: Number(e.target.value),
+                                  right: Math.max(0, Number(e.target.value)),
                                 },
                               })
                             }