diff --git a/src/assets/svgs/index.tsx b/src/assets/svgs/index.tsx
index 4f10b3df..c1e6592a 100644
--- a/src/assets/svgs/index.tsx
+++ b/src/assets/svgs/index.tsx
@@ -1,6 +1,7 @@
 export { default as DefaultProfileIc } from './defaultProfileIc.svg?react';
 export { default as DetailCommentMeatBallIc } from './detailCommentMeatBallIc.svg?react';
 export { default as EditorTextColorIcnBlackSvg } from './editorTextcolorIcnBlack.svg?react';
+
 export { default as HeaderLogoSvg } from './headerLogoSvg.svg?react';
 export { default as MainGroupRoutingBtn } from './mainGroupRoutingBtn.svg?react';
 export { default as MainGroupRoutingBtnHover } from './mainGroupRoutingBtnHover.svg?react';
@@ -52,7 +53,9 @@ export { default as EditorDropIcnActiveIc } from './editorDropIcnActive.svg?reac
 export { default as EditorDropIcnActiveOpenIc } from './editorDropIcnActiveopen.svg?react';
 export { default as GroupThumnailImgIc } from './groupThumnailImg.svg?react';
 
+export {
+  default as EditorThuminputIcnActiveIc,
+  default as EditorThuminputIcnHoverIc,
+} from './editorThuminputIcnHover.svg?react';
 export { default as EditorThuminputIcnUnactiveIc } from './editorThuminputIcnUnactive.svg?react';
-export { default as EditorThuminputIcnHoverIc } from './editorThuminputIcnHover.svg?react';
-export { default as EditorThuminputIcnActiveIc } from './editorThuminputIcnHover.svg?react';
 export { default as GroupCardThumnailImgIc } from './groupCardThumnailImg.svg';
diff --git a/src/pages/groupFeed/carousel/Carousel.tsx b/src/pages/groupFeed/carousel/Carousel.tsx
index b0e07e77..2b16ea10 100644
--- a/src/pages/groupFeed/carousel/Carousel.tsx
+++ b/src/pages/groupFeed/carousel/Carousel.tsx
@@ -2,9 +2,9 @@ import styled from '@emotion/styled';
 import { Dispatch, SetStateAction } from 'react';
 import Slider from 'react-slick';
 
+import CarouselContainer from './CarouselContainer';
 import './slick-theme.css';
 import './slick.css';
-import CarouselContainer from './CarouselContainer';
 
 import { useTopicList } from '../hooks/queries';
 
diff --git a/src/pages/groupFeed/hooks/queries.ts b/src/pages/groupFeed/hooks/queries.ts
index d38851d7..1deab9f0 100644
--- a/src/pages/groupFeed/hooks/queries.ts
+++ b/src/pages/groupFeed/hooks/queries.ts
@@ -1,12 +1,12 @@
 import { useQuery } from '@tanstack/react-query';
 
 import {
-  fetchGroupFeedAuth,
   fetchCuriousPost,
-  fetchTopicList,
-  fetchTodayTopic,
-  fetchGroupInfo,
   fetchCuriousWriters,
+  fetchGroupFeedAuth,
+  fetchGroupInfo,
+  fetchTodayTopic,
+  fetchTopicList,
 } from '../apis/fetchGroupFeed';
 
 export const QUERY_KEY_GROUPFEED = {
diff --git a/src/pages/postDetail/PostDetail.tsx b/src/pages/postDetail/PostDetail.tsx
index d269928e..0a35eea4 100644
--- a/src/pages/postDetail/PostDetail.tsx
+++ b/src/pages/postDetail/PostDetail.tsx
@@ -3,7 +3,7 @@ import { useNavigate, useParams } from 'react-router-dom';
 
 import Comment from './components/Comment';
 import CuriousBtn from './components/CuriousBtn';
-import { useGetPostDetail } from './hooks/queries';
+import { useCheckPostAuth, useGetPostDetail } from './hooks/queries';
 
 import MakeGroupBtn from '../groupFeed/components/MakeGroupBtn';
 import MyGroupBtn from '../groupFeed/components/MyGroupBtn';
@@ -19,6 +19,7 @@ const PostDetail = () => {
   const { postId } = useParams();
 
   const { data, isError, isLoading } = useGetPostDetail(postId || '');
+  const { data: postAuth } = useCheckPostAuth(postId || '');
 
   const postData = data?.data;
   if (isError) {
@@ -27,6 +28,7 @@ const PostDetail = () => {
   if (isLoading) {
     <div>Loading~</div>;
   }
+
   // 리팩토링 전 코드
   // useEffect(() => {
   //   if (typeof postId === 'string') {
@@ -59,10 +61,12 @@ const PostDetail = () => {
             <TitleText>{postData?.title}</TitleText>
             <DateText>{postData?.createdAt}</DateText>
           </InfoTextBox>
-          <ButtonWrapper>
-            <Button typeName={'deleteTempType'}>글 삭제하기</Button>
-            <Button typeName={'submitEditType'}>글 수정하기</Button>
-          </ButtonWrapper>
+          {postAuth?.data?.data.canEdit && (
+            <ButtonWrapper>
+              <Button typeName={'deleteTempType'}>글 삭제하기</Button>
+              <Button typeName={'submitEditType'}>글 수정하기</Button>
+            </ButtonWrapper>
+          )}
         </PostDetailContainer>
         <PostWrapper>
           <TopicWrapper>
@@ -144,6 +148,7 @@ const InfoTextBox = styled.div`
   display: flex;
   flex-direction: column;
   gap: 1.1rem;
+  width: 60rem;
 `;
 
 const TitleText = styled.h1`
@@ -160,6 +165,7 @@ const ButtonWrapper = styled.div`
   display: flex;
   gap: 1.2rem;
   align-items: flex-start;
+  width: 21rem;
 `;
 
 const TopicWrapper = styled.div`
diff --git a/src/pages/postDetail/apis/checkPostAuth.ts b/src/pages/postDetail/apis/checkPostAuth.ts
new file mode 100644
index 00000000..f75a51e2
--- /dev/null
+++ b/src/pages/postDetail/apis/checkPostAuth.ts
@@ -0,0 +1,24 @@
+import { client } from '../../../utils/apis/axios';
+
+interface CheckPostAuth {
+  status: number;
+  message: string;
+  data: {
+    canEdit: boolean;
+  };
+}
+const checkPostAuth = (postId: string) => {
+  const token = localStorage.getItem('accessToken');
+  try {
+    const data = client.get<CheckPostAuth>(`/api/post/${postId}/authenticate`, {
+      headers: {
+        Authorization: `Bearer ${token}`,
+      },
+    });
+    return data;
+  } catch (err) {
+    console.log(err);
+  }
+};
+
+export default checkPostAuth;
diff --git a/src/pages/postDetail/apis/createPostCurious.ts b/src/pages/postDetail/apis/createPostCurious.ts
index 3190cdf5..90601b87 100644
--- a/src/pages/postDetail/apis/createPostCurious.ts
+++ b/src/pages/postDetail/apis/createPostCurious.ts
@@ -1,7 +1,7 @@
 import { client } from '../../../utils/apis/axios';
 
 interface PostCuriousResponseType {
-  status: string;
+  status: number;
   message: string;
   data: {
     isCurious: boolean;
@@ -12,7 +12,7 @@ const createPostCurious = async (postId: string) => {
   try {
     const token = localStorage.getItem('accessToken');
     const { data } = await client.post<PostCuriousResponseType>(
-      `api/post/${postId}/curious`,
+      `/api/post/${postId}/curious`,
       {},
       {
         headers: {
diff --git a/src/pages/postDetail/apis/deleteCurious.ts b/src/pages/postDetail/apis/deleteCurious.ts
new file mode 100644
index 00000000..e66da0ee
--- /dev/null
+++ b/src/pages/postDetail/apis/deleteCurious.ts
@@ -0,0 +1,24 @@
+import { client } from '../../../utils/apis/axios';
+
+interface DeleteResponseType {
+  status: number;
+  message: string;
+  data: {
+    isCurious: boolean;
+  };
+}
+const deleteCurious = async (postId: string) => {
+  const token = localStorage.getItem('accessToken');
+  try {
+    const data = client.delete<DeleteResponseType>(`/api/post/${postId}/curious`, {
+      headers: {
+        Authorization: `Bearer ${token}`,
+      },
+    });
+    return data;
+  } catch (err) {
+    console.log(err);
+  }
+};
+
+export default deleteCurious;
diff --git a/src/pages/postDetail/components/CuriousBtn.tsx b/src/pages/postDetail/components/CuriousBtn.tsx
index e7e5a864..141b20e9 100644
--- a/src/pages/postDetail/components/CuriousBtn.tsx
+++ b/src/pages/postDetail/components/CuriousBtn.tsx
@@ -1,21 +1,33 @@
 import { css } from '@emotion/react';
 import styled from '@emotion/styled';
-import { useState } from 'react';
+import { useEffect, useState } from 'react';
 import { useParams } from 'react-router-dom';
 
-import { useGetCuriousInfo, usePostCurious } from '../hooks/queries';
+import { useDeleteCurious, useGetCuriousInfo, usePostCurious } from '../hooks/queries';
 
 import { DetailPurpleFavoriteIc, DetailWhiteFavoriteIc } from './../../../assets/svgs';
 
 const CuriousBtn = () => {
-  const [isClick, setIsClick] = useState(false);
   const { postId } = useParams();
   const { data } = useGetCuriousInfo(postId || '');
+
   const { mutate: postCurious } = usePostCurious(postId || '');
+  const { mutate: deleteCurious } = useDeleteCurious(postId || ' ');
+  const isCurious = data?.data?.isCurious;
+  const [isClick, setIsClick] = useState(!!isCurious);
+
   const handleBtnClick = () => {
+    if (isClick) {
+      deleteCurious();
+    } else {
+      postCurious();
+    }
     setIsClick((prev) => !prev);
-    postCurious();
   };
+
+  useEffect(() => {
+    setIsClick(!!data?.data?.isCurious);
+  }, [data?.data?.isCurious]);
   return (
     <>
       <CuriousBtnWrapper onClick={handleBtnClick} $isClick={isClick}>
diff --git a/src/pages/postDetail/hooks/queries.ts b/src/pages/postDetail/hooks/queries.ts
index ca409185..7d5ac982 100644
--- a/src/pages/postDetail/hooks/queries.ts
+++ b/src/pages/postDetail/hooks/queries.ts
@@ -1,11 +1,12 @@
 //한 파일에서 사용하는 쿼리키를 모아두고 쿼리를 선언해주세요
 
-import { useMutation, useQuery } from '@tanstack/react-query';
+import { useMutation, useQuery, useQueryClient } from '@tanstack/react-query';
 
+import checkPostAuth from '../apis/checkPostAuth';
 import createPostCurious from '../apis/createPostCurious';
+import deleteCurious from '../apis/deleteCurious';
 import fetchCuriousInfo from '../apis/fetchCuriousInfo';
 import fetchPostDetail from '../apis/fetchPostDetail';
-
 //쿼리키를 이렇게 두는 이유는 겹치지 않기위해 + 객체로 생성하여 자동완성 하기 위해
 export const QUERY_KEY_POST_DETAIL = {
   getPostDetail: 'getPostDetail',
@@ -22,7 +23,7 @@ export const QUERY_KEY_POST_DETAIL = {
 // 글정보 조회 get api
 export const useGetPostDetail = (postId: string) => {
   const data = useQuery({
-    queryKey: [QUERY_KEY_POST_DETAIL.getPostDetail],
+    queryKey: [QUERY_KEY_POST_DETAIL.getPostDetail, postId],
     queryFn: () => fetchPostDetail(postId),
   });
 
@@ -40,12 +41,35 @@ export const useGetCuriousInfo = (postId: string) => {
 
 //궁금해요 생성 api
 export const usePostCurious = (postId: string) => {
+  const queryClient = useQueryClient();
   const data = useMutation({
     mutationKey: [QUERY_KEY_POST_DETAIL.postCurious],
     mutationFn: () => createPostCurious(postId),
     onSuccess: () => {
-      console.log('post curious Success');
+      queryClient.invalidateQueries({ queryKey: [QUERY_KEY_POST_DETAIL.getCurious, postId] });
     },
   });
   return data;
 };
+
+//궁금해요 삭제 api
+export const useDeleteCurious = (postId: string) => {
+  const queryClient = useQueryClient();
+  const data = useMutation({
+    mutationKey: [QUERY_KEY_POST_DETAIL.deleteCurious, postId],
+    mutationFn: () => deleteCurious(postId),
+    onSuccess: () => {
+      queryClient.invalidateQueries({ queryKey: [QUERY_KEY_POST_DETAIL.getCurious, postId] });
+    },
+  });
+  return data;
+};
+
+//글 삭제/수정 권한 확인
+export const useCheckPostAuth = (postId: string) => {
+  const data = useQuery({
+    queryKey: [QUERY_KEY_POST_DETAIL.getAuthorization, postId],
+    queryFn: () => checkPostAuth(postId),
+  });
+  return data;
+};