diff --git a/negodata/front/src/features/products/components/ExcelUploadModal.tsx b/negodata/front/src/features/products/components/ExcelUploadModal.tsx
index c208868..3100f33 100644
--- a/negodata/front/src/features/products/components/ExcelUploadModal.tsx
+++ b/negodata/front/src/features/products/components/ExcelUploadModal.tsx
@@ -171,7 +171,9 @@ function toItemCreate(row: RawRow): ItemCreate {
     delivery_type: DELIVERY_LABEL_TO_CODE[row.delivery_type.trim()] ?? undefined,
     vat_yn: row.vat_yn.trim() ? parseYn(row.vat_yn) : undefined,
     delivery_fee_yn: row.delivery_fee_yn.trim() ? parseYn(row.delivery_fee_yn) : undefined,
-    internet_lowest_price_yn: false,
+    // minPrice(최저한도) = 인터넷 최저가(실값) → internet_lowest_price 로 저장(수기 폼과 동일).
+    internet_lowest_price: row.minPrice,
+    internet_lowest_price_yn: row.minPrice > 0,
   };
 }
 
diff --git a/negodata/front/src/features/products/components/ProductFormSheet.tsx b/negodata/front/src/features/products/components/ProductFormSheet.tsx
index 3556da7..2cce47b 100644
--- a/negodata/front/src/features/products/components/ProductFormSheet.tsx
+++ b/negodata/front/src/features/products/components/ProductFormSheet.tsx
@@ -12,7 +12,7 @@ import { Button } from '@/components/ui/button';
 import { Input } from '@/components/ui/input';
 import { Sheet } from '@/components/ui/sheet';
 import { Select, SelectContent, SelectItem, SelectTrigger, SelectValue } from '@/components/ui/select';
-import { type Product, toMinPrice } from '../types';
+import { type Product } from '../types';
 
 // 폼 검증 스키마. 필수: 상품명/상품코드/단가/최저가. 나머지는 선택.
 const schema = z.object({
@@ -60,7 +60,7 @@ function buildDefaults(mode: 'create' | 'edit', product: Product | null): FormVa
       code: product.code || '',
       category: product.category || '',
       price: product.price || 0,
-      minPrice: toMinPrice(product.price),
+      minPrice: product.internet_lowest_price ?? 0,
       modelName: product.model_name || '',
       specification: product.spec || '',
       manufacturer: product.manufacturer || '',
@@ -129,7 +129,7 @@ export function ProductFormSheet({
 
   const deliveryTypes = DELIVERY_TYPE_OPTIONS;
 
-  // minPrice는 화면 전용(서버 미전송). 검증된 값만 payload로.
+  // minPrice = 인터넷 최저가(실값) → internet_lowest_price 로 저장한다.
   const onValid = async (v: FormValues) => {
     // 기존 카테고리면 그 category_type(id) 재사용, 처음 쓰는 카테고리면 max+1 부여.
     const categoryName = v.category.trim();
@@ -151,6 +151,7 @@ export function ProductFormSheet({
       vat_yn: v.vatYn,
       delivery_fee_yn: v.deliveryFeeYn,
       internet_lowest_price_yn: v.internetLowestPriceYn,
+      internet_lowest_price: v.minPrice,
       purchase_price: v.purchasePrice,
       selling_price: v.sellingPrice,
     };
diff --git a/negodata/front/src/features/products/components/ProductTable.tsx b/negodata/front/src/features/products/components/ProductTable.tsx
index bcbfbd2..c505592 100644
--- a/negodata/front/src/features/products/components/ProductTable.tsx
+++ b/negodata/front/src/features/products/components/ProductTable.tsx
@@ -2,7 +2,7 @@ import { Image as ImageIcon } from 'lucide-react';
 import { Badge } from '@/components/ui/badge';
 import { DataTable } from '@/components/ui/data-table';
 import { TablePagination } from '@/components/ui/table-pagination';
-import { type Product, toMinPrice } from '../types';
+import { type Product } from '../types';
 
 type ProductTableProps = {
   data: Product[];
@@ -91,7 +91,7 @@ export function ProductTable({
           header: '인터넷 최저가',
           align: 'right',
           cellClassName: 'font-mono font-semibold text-rose-600 dark:text-rose-400',
-          cell: (prod) => `₩${(prod.minPrice || toMinPrice(prod.price)).toLocaleString()}`,
+          cell: (prod) => (prod.internet_lowest_price != null ? `₩${Number(prod.internet_lowest_price).toLocaleString()}` : '-'),
         },
       ]}
     />
diff --git a/negodata/front/src/features/products/hooks/useProducts.ts b/negodata/front/src/features/products/hooks/useProducts.ts
index 341db9a..22e628b 100644
--- a/negodata/front/src/features/products/hooks/useProducts.ts
+++ b/negodata/front/src/features/products/hooks/useProducts.ts
@@ -12,7 +12,7 @@ import type { ReqUpdateItem } from '@/api/generated/model/reqUpdateItem';
 import type { ResItem } from '@/api/generated/model/resItem';
 import type { ItemData } from '@/api/generated/model/itemData';
 import type { BulkFailure } from '@/lib/excel';
-import { type Product, toMinPrice } from '../types';
+import { type Product } from '../types';
 
 // 엑셀 중복검사 + 최저가 모달은 "현재 페이지 밖"의 상품도 코드/ID로 조회해야 해서
 // 전체 목록(최대 100건)을 따로 받는다. (카테고리 목록은 더 이상 여기서 만들지 않는다 — 아래 categoriesQuery.)
@@ -20,7 +20,7 @@ const META_PARAMS: ListItemsParams = { size: 100 };
 
 // 서버 ItemData → UI Product (화면 전용 파생 필드 부여).
 function toProduct(it: ItemData): Product {
-  return { ...it, id: it.item_id, minPrice: toMinPrice(it.price), status: 'ACTIVE' };
+  return { ...it, id: it.item_id, minPrice: it.internet_lowest_price ?? 0, status: 'ACTIVE' };
 }
 
 // 서버 공통응답(result.success=false)을 한글 사유로 변환. 정상이면 null.
diff --git a/negodata/front/src/features/products/types.ts b/negodata/front/src/features/products/types.ts
index f1b2602..8b47d81 100644
--- a/negodata/front/src/features/products/types.ts
+++ b/negodata/front/src/features/products/types.ts
@@ -1,4 +1 @@
 export type { Product } from '@/types';
-
-// 인터넷 최저가 데모 산정(표준 단가의 83%). 서버 미연동 — 표시/초기값 용도.
-export const toMinPrice = (price?: number | null) => Math.round((price || 0) * 0.83);