diff --git a/src/model/benefit.model.ts b/src/model/benefit.model.ts
index 78c84517..fba0d7c4 100644
--- a/src/model/benefit.model.ts
+++ b/src/model/benefit.model.ts
@@ -12,7 +12,7 @@ export interface BenefitCategoryContent {
 
 export interface GetBenefitShopsResponse {
   count: number;
-  shops: Shops[];
+  shops: ShopInfo[];
 }
 
 export interface Shops {
@@ -20,6 +20,11 @@ export interface Shops {
   name: string;
 }
 
+export interface ShopInfo extends Shops {
+  shop_benefit_map_id: number;
+  detail: string;
+}
+
 export interface SearchResponse {
   benefit_shops: Shops[];
   non_benefit_shops: Shops[]
@@ -41,11 +46,26 @@ export interface DeleteShopsRequest {
   id: number;
 }
 
-export interface AddShopRequest extends DeleteShopsRequest {}
+export interface ShopDetail {
+  shop_id: number;
+  detail: string;
+}
+
+export interface AddShopRequest {
+  id: number;
+  shop_details: ShopDetail[];
+}
 
 export interface ModifyBenefitRequest {
   body: CreateBenefitRequest;
   id: number;
 }
 
+export interface ModifyBenefitDetails {
+  modify_details: {
+    shop_benefit_map_id: number;
+    detail: string;
+  }[];
+}
+
 export interface ModifyBenefitForm extends CreateBenefitRequest { }
diff --git a/src/pages/Services/Benefit/components/AdditionalModal/index.style.ts b/src/pages/Services/Benefit/components/AdditionalModal/index.style.ts
index 2fb1146e..ff75c1d1 100644
--- a/src/pages/Services/Benefit/components/AdditionalModal/index.style.ts
+++ b/src/pages/Services/Benefit/components/AdditionalModal/index.style.ts
@@ -4,19 +4,6 @@ export const SearchWrapper = styled.div`
  position: relative;
 `;
 
-export const SelectContainer = styled.div`
-  display: grid;
-  grid-template-columns: 1fr 1fr 1fr;
-  grid-template-rows: repeat(auto-fill, 50px);
-  place-items: center;
-  width: 100%;
-  height: 600px;
-  overflow: auto;
-  padding: 25px;
-  border: 0.5px solid #eeeeeeff;
-  background: #eee;
-`;
-
 export const FlexColumn = styled.div`
   display: flex;
   flex-direction: column;
@@ -54,12 +41,12 @@ export const ButtonContent = styled.span`
 `;
 
 export const ButtonWrapper = styled.div`
-  display: relative;
+  position: relative;
 `;
 
 export const DeleteButtonWrapper = styled.button`
   position: absolute;
-  top: -10px;
+  top: -15px;
   left: -10px;
   background: none;
   border: none;
@@ -72,3 +59,10 @@ export const FlexRight = styled.div`
   justify-content: flex-end;
   margin-top: 10px
 `;
+
+export const DetailInput = styled.input`
+  width: 100%;
+  height: 100%;
+  border: none;
+  outline: none;
+`;
diff --git a/src/pages/Services/Benefit/components/AdditionalModal/index.tsx b/src/pages/Services/Benefit/components/AdditionalModal/index.tsx
index 09c1fd66..e6f59ee1 100644
--- a/src/pages/Services/Benefit/components/AdditionalModal/index.tsx
+++ b/src/pages/Services/Benefit/components/AdditionalModal/index.tsx
@@ -6,17 +6,25 @@ import { useAddBenefitShopsMutation, useSearchShopsQuery } from 'store/api/benef
 import { Shops } from 'model/benefit.model';
 import { MinusCircleOutlined, UploadOutlined } from '@ant-design/icons';
 import * as S from './index.style';
+// eslint-disable-next-line
+import * as Style from '../../index.style';
 
 interface Props {
   id: number | undefined;
   closeAdditionModal: () => void;
 }
 
+interface ShopDetail {
+  shop_id: number;
+  detail: string;
+}
+
 const { Search } = Input;
 export default function AdditionalModal({ id, closeAdditionModal }: Props) {
   const [keyword, setKeyword] = useState<string>('');
   const [isFocus, setIsFocus] = useState(false);
   const [shops, setShops] = useState<Shops[]>([]);
+  const [details, setDetails] = useState<ShopDetail[]>([]);
   const searchRef = useRef<InputRef>(null);
   const userInput = (e: React.ChangeEvent<HTMLInputElement>) => {
     setKeyword(e.target.value);
@@ -33,29 +41,48 @@ export default function AdditionalModal({ id, closeAdditionModal }: Props) {
   const addShop = (shopId: number, name: string) => {
     if (shops.find((shop) => shop.id === shopId)) return;
     setShops((prev) => [...prev, { id: shopId, name }]);
+    setDetails((prev) => [...prev, { shop_id: shopId, detail: '' }]);
     setKeyword('');
   };
   const cancelAddShop = (shopId: number) => {
     const filteredShop = shops.filter((shop) => shop.id !== shopId);
+    const filteredDetail = details.filter((shop) => shop.shop_id !== shopId);
     setShops(filteredShop);
+    setDetails(filteredDetail);
   };
+
   const ConfirmAddShop = async () => {
     if (shops.length === 0) {
       closeAdditionModal();
       return;
     }
     if (id) {
-      const requestBody = shops.map((shop) => shop.id);
-      await addShopMutation({ id, shop_ids: requestBody })
+      if (details.some((shop) => shop.detail === '')) {
+        message.error('상세정보를 입력해주세요.');
+        return;
+      }
+      await addShopMutation({ id, shop_details: details })
         .then(() => {
           message.success('상점을 추가했습니다.');
           setShops([]);
+          setDetails([]);
           setKeyword('');
           closeAdditionModal();
         });
     }
   };
 
+  const handleDetail = (e: React.ChangeEvent<HTMLInputElement>, shopId: number) => {
+    const { value } = e.target;
+    const shopDetail = details.find((shop) => shop.shop_id === shopId);
+    if (shopDetail) {
+      const filteredDetail = details.filter((shop) => shop.shop_id !== shopId);
+      setDetails([...filteredDetail, { shop_id: shopId, detail: value }]);
+    } else {
+      setDetails((prev) => [...prev, { shop_id: shopId, detail: value }]);
+    }
+  };
+
   if (isError) message.error('상점을 추가할 수 없습니다.');
 
   return (
@@ -87,20 +114,31 @@ export default function AdditionalModal({ id, closeAdditionModal }: Props) {
       </S.SearchWrapper>
 
       <Divider orientation="left">선택 상점</Divider>
-      <S.SelectContainer>
-        {shops.map((shop) => (
-          <S.ButtonWrapper key={shop.id}>
-            <Button style={{ width: '180px' }}>
-              <S.DeleteButtonWrapper onClick={() => cancelAddShop(shop.id)}>
-                <MinusCircleOutlined />
-              </S.DeleteButtonWrapper>
-              <S.ButtonContent>
-                {shop.name}
-              </S.ButtonContent>
-            </Button>
-          </S.ButtonWrapper>
-        ))}
-      </S.SelectContainer>
+      <Style.ShopList>
+        <thead>
+          <Style.HeaderRow>
+            <Style.HeaderItem>상점명</Style.HeaderItem>
+            <Style.HeaderItem>상세정보</Style.HeaderItem>
+          </Style.HeaderRow>
+        </thead>
+        <tbody>
+          {shops.map((shop) => (
+            <Style.Row key={shop.id} isclicked={false}>
+              <Style.TitleItem>
+                <S.ButtonWrapper key={shop.id}>
+                  <S.DeleteButtonWrapper onClick={() => cancelAddShop(shop.id)}>
+                    <MinusCircleOutlined />
+                  </S.DeleteButtonWrapper>
+                  {shop.name}
+                </S.ButtonWrapper>
+              </Style.TitleItem>
+              <Style.DetailItem>
+                <S.DetailInput onChange={(e) => handleDetail(e, shop.id)} />
+              </Style.DetailItem>
+            </Style.Row>
+          ))}
+        </tbody>
+      </Style.ShopList>
       <S.FlexRight>
         <Button
           onClick={ConfirmAddShop}
diff --git a/src/pages/Services/Benefit/components/BenefitDetailModifyModal/index.tsx b/src/pages/Services/Benefit/components/BenefitDetailModifyModal/index.tsx
new file mode 100644
index 00000000..04f7aacc
--- /dev/null
+++ b/src/pages/Services/Benefit/components/BenefitDetailModifyModal/index.tsx
@@ -0,0 +1,123 @@
+import {
+  Divider, Button, message,
+} from 'antd';
+import { MinusCircleOutlined, UploadOutlined } from '@ant-design/icons';
+import * as S from 'pages/Services/Benefit/components/AdditionalModal/index.style';
+import { ShopInfo } from 'model/benefit.model';
+import { useEffect, useState } from 'react';
+import { useModifyBenefitDetailsMutation } from 'store/api/benefit';
+import * as Style from 'pages/Services/Benefit/index.style';
+
+interface Props {
+  closeBenefitModifyModal: () => void;
+  shops?: ShopInfo[];
+}
+
+interface ModifyDetails {
+  shop_id: number;
+  detail: string;
+  name: string;
+  shop_benefit_map_id: number;
+}
+
+export default function BenefitDetailModifyModal({ closeBenefitModifyModal, shops }: Props) {
+  const [details, setDetails] = useState<ModifyDetails[]>([]);
+  const [mutation] = useModifyBenefitDetailsMutation();
+
+  const handleDetail = (e: React.ChangeEvent<HTMLInputElement>, shopId: number) => {
+    const { value } = e.target;
+    const shopDetail = details.find((shop) => shop.shop_id === shopId);
+    if (shopDetail) {
+      const findItem = details.find((shop) => shop.shop_id === shopId);
+      if (!findItem) return;
+      const newDetail = {
+        shop_id: findItem.shop_id,
+        detail: value,
+        name: findItem.name,
+        shop_benefit_map_id: findItem.shop_benefit_map_id,
+      };
+      const filteredDetail = details.filter((shop) => shop.shop_id !== shopId);
+      setDetails([...filteredDetail, newDetail]);
+    } else {
+      setDetails((prev) => [...prev, {
+        shop_id: shopId,
+        detail: value,
+        name: shops?.find((shop) => shop.id === shopId)?.name || '',
+        shop_benefit_map_id: shops?.find((shop) => shop.id === shopId)?.shop_benefit_map_id || 0,
+      }]);
+    }
+  };
+
+  const modifyDetails = () => {
+    const shopDetails = details.map((shop) => ({
+      shop_benefit_map_id: shop.shop_benefit_map_id,
+      detail: shop.detail,
+    }));
+    mutation({ modify_details: shopDetails });
+  };
+
+  const confirmModifyDetails = () => {
+    if (details.some((shop) => shop.detail.trim() === '')) {
+      message.error('상세정보를 입력해주세요.');
+      return;
+    }
+    modifyDetails();
+    closeBenefitModifyModal();
+  };
+
+  useEffect(() => {
+    if (shops) {
+      const shopDetails = shops.map((shop) => ({
+        shop_id: shop.id,
+        detail: shop.detail,
+        name: shop.name,
+        shop_benefit_map_id: shop.shop_benefit_map_id,
+      }));
+      setDetails(shopDetails);
+    }
+  }, [shops]);
+
+  if (!shops) return null;
+
+  return (
+    <div>
+      <Divider orientation="left">선택 상점</Divider>
+      <Style.ShopList>
+        <thead>
+          <Style.HeaderRow>
+            <Style.HeaderItem>상점명</Style.HeaderItem>
+            <Style.HeaderItem>상세정보</Style.HeaderItem>
+          </Style.HeaderRow>
+        </thead>
+        <tbody>
+          {details.map((shop) => (
+            <Style.Row key={shop.shop_id} isclicked={false}>
+              <Style.TitleItem>
+                <S.ButtonWrapper key={shop.shop_id}>
+                  <S.DeleteButtonWrapper>
+                    <MinusCircleOutlined />
+                  </S.DeleteButtonWrapper>
+                  {shop.name}
+                </S.ButtonWrapper>
+              </Style.TitleItem>
+              <Style.DetailItem>
+                <S.DetailInput
+                  onChange={(e) => handleDetail(e, shop.shop_id)}
+                  value={details.find((detail) => detail.shop_id === shop.shop_id)?.detail}
+                />
+              </Style.DetailItem>
+            </Style.Row>
+          ))}
+        </tbody>
+      </Style.ShopList>
+      <S.FlexRight>
+        <Button
+          onClick={confirmModifyDetails}
+        >
+          <UploadOutlined />
+          완료
+        </Button>
+      </S.FlexRight>
+    </div>
+  );
+}
diff --git a/src/pages/Services/Benefit/index.style.tsx b/src/pages/Services/Benefit/index.style.tsx
index dd9f3d30..f411c5c0 100644
--- a/src/pages/Services/Benefit/index.style.tsx
+++ b/src/pages/Services/Benefit/index.style.tsx
@@ -6,6 +6,7 @@ export const Container = styled.div`
   display: flex;
   align-items: center;
   flex-direction: column;
+  min-width: 1500px;
 `;
 
 export const SideContainer = styled.div`
@@ -33,32 +34,39 @@ export const Wrapper = styled.div`
 
 `;
 
-export const ShopContainer = styled.div`
+export const Row = styled.tr<{ isclicked: boolean }>`
   display: grid;
-  grid-template-columns: 1fr 1fr 1fr 1fr 1fr 1fr;
-  grid-template-rows: repeat(auto-fill, 80px);
-  place-items: center;
+  grid-template-columns: 40% 60%;
+  cursor: pointer;
+  width: 100%;
+  height: 50px;
+  border: ${(props) => (props.isclicked ? '1px solid rgba(129, 173, 255, 0.8) ' : '1px solid #f0f0f0')};
 `;
 
-export const Button = styled.button<{ isclicked: boolean }>`
-  cursor: pointer;
-  width: 150px;
+export const HeaderRow = styled.tr`
+  display: grid;
+  grid-template-columns: 40% 60%;
+  width: 100%;
   height: 50px;
-  background: #fff;
-  text-align: center;
-  transition: scale 0.2s;
-  border: ${(props) => (props.isclicked ? '4px solid rgba(129, 173, 255, 0.8) ' : 'none')};
-  border-radius: 10px;
+  border: 1px solid #f0f0f0;
+`;
+
+export const HeaderItem = styled.th`
+  padding: 15px;
+  border-right: 1px solid #f0f0f0;
+`;
+
+export const TitleItem = styled.td`
+  padding: 15px;
+  border-right: 1px solid #f0f0f0;
+`;
 
-  &:active {
-    scale: 0.95;
-  }
+export const DetailItem = styled.td`
+  padding: 15px;
 `;
 
-export const ShopListContainer = styled.div`
-  background: #ddd;
-  padding: 25px;
-  height: 60%;
+export const ShopList = styled.table`
   width: 100%;
-  overflow-y: auto;
+  border-spacing: 0 10px;
+  border-collapse: collapse;
 `;
diff --git a/src/pages/Services/Benefit/index.tsx b/src/pages/Services/Benefit/index.tsx
index 49d7fe64..525075bf 100644
--- a/src/pages/Services/Benefit/index.tsx
+++ b/src/pages/Services/Benefit/index.tsx
@@ -9,6 +9,7 @@ import AdditionalModal from './components/AdditionalModal';
 import CreationModal from './components/CreationModal';
 import DeleteBenefitCategoryModal from './components/DeleteBenefitCategoryModal';
 import ModifyModal from './components/ModifyModal';
+import BenefitDetailModifyModal from './components/BenefitDetailModifyModal';
 
 export default function BenefitPage() {
   const [selected, setSelected] = useState<number>();
@@ -20,6 +21,7 @@ export default function BenefitPage() {
   const [isCreateOpen, setIsCreateOpen] = useState(false);
   const [isDeleteOpne, setIsDeleteOpen] = useState(false);
   const [isModifyOpen, setIsModifyOpen] = useState(false);
+  const [isBenefitDetailOpen, setIsBenefitDetailOpen] = useState(false);
   const [selectedShop, setSelectedShop] = useState<number[]>([]);
   const onShopClick = (id: number) => {
     setSelectedShop((prev) => {
@@ -46,29 +48,18 @@ export default function BenefitPage() {
       setSelectedShop([...allId]);
     }
   };
-  const openAddtionModal = () => {
-    setIsAdditionOpen(true);
-  };
-  const closeAdditionModal = () => {
-    setIsAdditionOpen(false);
-  };
-  const openCreateModal = () => {
-    setIsCreateOpen(true);
-  };
-  const closeCreateModal = () => {
-    setIsCreateOpen(false);
-  };
-  const openDeleteModal = () => {
-    if (selected) setIsDeleteOpen(true);
-  };
-  const closeDeleteModal = () => {
-    setIsDeleteOpen(false);
-  };
-  const openModifyModal = () => {
-    setIsModifyOpen(true);
-  };
-  const closeModifyModal = () => {
-    setIsModifyOpen(false);
+
+  const handleModal = (setOpenModal: React.Dispatch<React.SetStateAction<boolean>>, type: string, state: 'open' | 'close') => {
+    if (type === 'delete' && state === 'open') {
+      if (selected) setOpenModal(true);
+      return;
+    }
+
+    if (state === 'open') {
+      setOpenModal(true);
+    } else {
+      setOpenModal(false);
+    }
   };
 
   return (
@@ -88,13 +79,13 @@ export default function BenefitPage() {
               width={600}
               footer={null}
               open={isDeleteOpne}
-              onCancel={closeDeleteModal}
-              onClick={openDeleteModal}
+              onCancel={() => handleModal(setIsDeleteOpen, 'delete', 'close')}
+              onClick={() => handleModal(setIsDeleteOpen, 'delete', 'open')}
               isDelete
             >
               <DeleteBenefitCategoryModal
                 id={selected}
-                closeModal={closeDeleteModal}
+                closeModal={() => handleModal(setIsDeleteOpen, 'delete', 'close')}
               />
             </CustomForm.Modal>
             <CustomForm.Modal
@@ -103,14 +94,14 @@ export default function BenefitPage() {
               width={900}
               footer={null}
               open={isModifyOpen}
-              onCancel={closeModifyModal}
-              onClick={openModifyModal}
+              onCancel={() => handleModal(setIsModifyOpen, 'modify', 'close')}
+              onClick={() => handleModal(setIsModifyOpen, 'modify', 'open')}
               destroyOnClose
               isDelete
               key={selected}
             >
               <ModifyModal
-                closeModifyModal={closeModifyModal}
+                closeModifyModal={() => handleModal(setIsModifyOpen, 'modify', 'close')}
                 selected={selected}
               />
             </CustomForm.Modal>
@@ -120,10 +111,10 @@ export default function BenefitPage() {
               width={900}
               footer
               open={isCreateOpen}
-              onCancel={closeCreateModal}
-              onClick={openCreateModal}
+              onCancel={() => handleModal(setIsCreateOpen, 'create', 'close')}
+              onClick={() => handleModal(setIsCreateOpen, 'create', 'open')}
             >
-              <CreationModal closeCreateModal={closeCreateModal} />
+              <CreationModal closeCreateModal={() => handleModal(setIsCreateOpen, 'create', 'close')} />
             </CustomForm.Modal>
           </S.ButtonContainer>
         </S.SideContainer>
@@ -139,34 +130,63 @@ export default function BenefitPage() {
             <Button onClick={deleteShops}>
               삭제
             </Button>
+            <CustomForm.Modal
+              buttonText="수정"
+              title="혜택 상점 미리보기 수정"
+              width={750}
+              footer
+              open={isBenefitDetailOpen}
+              onCancel={() => handleModal(setIsBenefitDetailOpen, 'benefitDetail', 'close')}
+              onClick={() => {
+                if (selectedShop.length === 0) return;
+                handleModal(setIsBenefitDetailOpen, 'benefitDetail', 'open');
+              }}
+            >
+              <BenefitDetailModifyModal
+                shops={data?.shops.filter((shop) => selectedShop.includes(shop.id))}
+                closeBenefitModifyModal={() => handleModal(setIsBenefitDetailOpen, 'benefitDetail', 'close')}
+              />
+            </CustomForm.Modal>
             <CustomForm.Modal
               buttonText="추가"
               title="혜택 상점 목록 추가"
               width={750}
               footer
               open={isAdditionOpen}
-              onCancel={closeAdditionModal}
-              onClick={openAddtionModal}
+              onCancel={() => handleModal(setIsAdditionOpen, 'addition', 'close')}
+              onClick={() => handleModal(setIsAdditionOpen, 'addition', 'open')}
             >
-              <AdditionalModal id={selected} closeAdditionModal={closeAdditionModal} />
+              <AdditionalModal id={selected} closeAdditionModal={() => handleModal(setIsAdditionOpen, 'addition', 'close')} />
             </CustomForm.Modal>
           </S.ButtonContainer>
         </S.SideContainer>
-        <S.ShopListContainer>
-          {selected ? (
-            <S.ShopContainer>
+        {selected ? (
+          <S.ShopList>
+            <thead>
+              <S.HeaderRow>
+                <S.HeaderItem>상점명</S.HeaderItem>
+                <S.HeaderItem>상세정보</S.HeaderItem>
+              </S.HeaderRow>
+            </thead>
+            <tbody>
               {data?.shops.map((shop) => (
-                <S.Button
+                <S.Row
                   isclicked={selectedShop.includes(shop.id)}
                   onClick={() => onShopClick(shop.id)}
                   key={shop.id}
                 >
-                  {shop.name}
-                </S.Button>
+                  <S.TitleItem>
+                    {shop.name}
+                  </S.TitleItem>
+                  <S.DetailItem>
+                    {shop.detail}
+                  </S.DetailItem>
+                </S.Row>
               ))}
-            </S.ShopContainer>
-          ) : null}
-        </S.ShopListContainer>
+            </tbody>
+          </S.ShopList>
+
+        ) : null}
       </S.Container>
     </S.Wrapper>
   );
diff --git a/src/store/api/benefit/index.ts b/src/store/api/benefit/index.ts
index e860a818..d1d97541 100644
--- a/src/store/api/benefit/index.ts
+++ b/src/store/api/benefit/index.ts
@@ -2,7 +2,7 @@ import { createApi } from '@reduxjs/toolkit/query/react';
 import {
   BenefitCategoryResponse, GetBenefitShopsResponse, SearchResponse,
   CreateBenefitResponse, CreateBenefitRequest, DeleteShopsRequest,
-  AddShopRequest, ModifyBenefitRequest,
+  AddShopRequest, ModifyBenefitRequest, ModifyBenefitDetails,
 } from 'model/benefit.model';
 import baseQueryReauth from 'store/api/baseQueryReauth';
 
@@ -55,11 +55,11 @@ export const benefitApi = createApi({
       invalidatesTags: () => [{ type: 'benefit' }],
     }),
     addBenefitShops: builder.mutation<void, AddShopRequest>({
-      query({ id, shop_ids }) {
+      query({ id, shop_details }) {
         return {
           url: `admin/benefit/${id}/shops`,
           method: 'post',
-          body: { shop_ids },
+          body: { shop_details },
         };
       },
       invalidatesTags: () => [{ type: 'benefit' }],
@@ -74,11 +74,21 @@ export const benefitApi = createApi({
       },
       invalidatesTags: () => [{ type: 'benefit' }],
     }),
+    modifyBenefitDetails: builder.mutation<void, ModifyBenefitDetails>({
+      query({ modify_details }) {
+        return {
+          url: 'admin/benefit',
+          method: 'put',
+          body: { modify_details },
+        };
+      },
+      invalidatesTags: () => [{ type: 'benefit' }],
+    }),
   }),
 });
 
 export const {
   useGetBenefitCategoryQuery, useGetBenefitShopsQuery, useSearchShopsQuery,
   useCreateBenefitCategoryMutation, useDeleteBenefitCategoryMutation, useDeleteBenefitShopsMutation,
-  useAddBenefitShopsMutation, useModifyBenefitCategoryMutation,
+  useAddBenefitShopsMutation, useModifyBenefitCategoryMutation, useModifyBenefitDetailsMutation,
 } = benefitApi;