diff --git a/src/components/common/header/Notification/Notification.styled.ts b/src/components/common/header/Notification/Notification.styled.ts
index dcca0929..d703886f 100644
--- a/src/components/common/header/Notification/Notification.styled.ts
+++ b/src/components/common/header/Notification/Notification.styled.ts
@@ -6,6 +6,8 @@ export const Container = styled.div`
   overflow: hidden;
   display: flex;
   flex-direction: column;
+  justify-content: center;
+  align-items: center;
   padding: 3px;
 `;
 
@@ -24,7 +26,7 @@ export const ScrollArea = styled.div`
 
 export const NotificationHeader = styled.div`
   display: flex;
-  justify-content: right;
+  justify-content: flex-end;
   align-items: center;
   height: fit-content;
   margin-right: 15px;
diff --git a/src/constants/user/modalMessage.ts b/src/constants/user/modalMessage.ts
index 93b1fb95..0fa52b62 100644
--- a/src/constants/user/modalMessage.ts
+++ b/src/constants/user/modalMessage.ts
@@ -26,4 +26,5 @@ export const MODAL_MESSAGE = {
   projectDetailFail: '해당 공고가 존재하지 않습니다.',
   alreadyApply: '이미 참여한/지원하신 공고 입니다.',
   noMemberToEvaluate: '평가 할 멤버가 없습니다.',
+  noTagsData: '대표 스킬/포지션을 입력 하셔야 사용할 수 있습니다.',
 } as const;
diff --git a/src/pages/user/projectDetail/ProjectDetail.tsx b/src/pages/user/projectDetail/ProjectDetail.tsx
index 73313c68..21062da5 100644
--- a/src/pages/user/projectDetail/ProjectDetail.tsx
+++ b/src/pages/user/projectDetail/ProjectDetail.tsx
@@ -20,7 +20,8 @@ const ProjectDetail = () => {
   const { projectId } = useParams();
   const id = Number(projectId);
   const navigate = useNavigate();
-  const { isOpen, message, handleModalClose, handleModalOpen } = useModal();
+  const { isOpen, message, handleModalClose, handleModalOpen, handleConfirm } =
+    useModal();
   const { data, isLoading, isFetching } = useGetProjectData(id);
   const { userData } = useAuthStore((state) => state);
 
@@ -41,7 +42,11 @@ const ProjectDetail = () => {
   }
 
   const handleApplyClick = () => {
-    navigate(`${ROUTES.apply}/${id}`);
+    if (userData?.hasRequiredTags) {
+      navigate(`${ROUTES.apply}/${id}`);
+    } else {
+      handleModalOpen(MODAL_MESSAGE.noTagsData, () => navigate(ROUTES.mypage));
+    }
   };
 
   const handleMovetoUserPage = () => {
@@ -50,57 +55,66 @@ const ProjectDetail = () => {
   };
 
   return (
-    <S.Container>
-      <S.Wrapper>
-        <ScrollRestoration />
-        <S.Header>
-          <S.Title>{data.title}</S.Title>
-          <S.ProfileContainer>
-            <S.ProfileImageContainer onClick={handleMovetoUserPage}>
-              <Avatar size='2.5rem' image={data.user.img} />
-            </S.ProfileImageContainer>
-            <S.UserInfo>
-              <S.UserName onClick={handleMovetoUserPage}>
-                {data.user.nickname}
-              </S.UserName>
-              <S.PostDate>{formatDate(data.recruitmentEndDate)}</S.PostDate>
-              <S.ViewCount>
-                <EyeIcon />
-                {data.views}
-              </S.ViewCount>
-            </S.UserInfo>
-          </S.ProfileContainer>
-        </S.Header>
-        <S.Content>
-          <ProjectInformation data={data} />
-          <br></br>
-          <S.ProjectDescription>
-            <MarkdownEditorView description={data.description} />
-          </S.ProjectDescription>
-        </S.Content>
-        <S.ApplyButtonContainer>
-          {userData &&
-          userData.id !== data.user.id &&
-          !data.acceptedIds.includes(userData.id) &&
-          !data.applicantIds.includes(userData.id) ? (
-            <Button
-              size='primary'
-              schema='primary'
-              radius='primary'
-              onClick={handleApplyClick}
-            >
-              프로젝트 함께하기
-            </Button>
-          ) : null}
-        </S.ApplyButtonContainer>
-        <hr></hr>
-        <CommentLayout
-          projectId={data.id}
-          createrId={data.user.id}
-          loginUserId={userData?.id}
-        />
-      </S.Wrapper>
-    </S.Container>
+    <>
+      <S.Container>
+        <S.Wrapper>
+          <ScrollRestoration />
+          <S.Header>
+            <S.Title>{data.title}</S.Title>
+            <S.ProfileContainer>
+              <S.ProfileImageContainer onClick={handleMovetoUserPage}>
+                <Avatar size='2.5rem' image={data.user.img} />
+              </S.ProfileImageContainer>
+              <S.UserInfo>
+                <S.UserName onClick={handleMovetoUserPage}>
+                  {data.user.nickname}
+                </S.UserName>
+                <S.PostDate>{formatDate(data.recruitmentEndDate)}</S.PostDate>
+                <S.ViewCount>
+                  <EyeIcon />
+                  {data.views}
+                </S.ViewCount>
+              </S.UserInfo>
+            </S.ProfileContainer>
+          </S.Header>
+          <S.Content>
+            <ProjectInformation data={data} />
+            <br></br>
+            <S.ProjectDescription>
+              <MarkdownEditorView description={data.description} />
+            </S.ProjectDescription>
+          </S.Content>
+          <S.ApplyButtonContainer>
+            {userData &&
+            userData.id !== data.user.id &&
+            !data.acceptedIds.includes(userData.id) &&
+            !data.applicantIds.includes(userData.id) ? (
+              <Button
+                size='primary'
+                schema='primary'
+                radius='primary'
+                onClick={handleApplyClick}
+              >
+                프로젝트 함께하기
+              </Button>
+            ) : null}
+          </S.ApplyButtonContainer>
+          <hr></hr>
+          <CommentLayout
+            projectId={data.id}
+            createrId={data.user.id}
+            loginUserId={userData?.id}
+          />
+        </S.Wrapper>
+      </S.Container>
+      <Modal
+        isOpen={isOpen}
+        onClose={handleModalClose}
+        onConfirm={handleConfirm}
+      >
+        {message}
+      </Modal>
+    </>
   );
 };
 
diff --git a/src/store/authStore.ts b/src/store/authStore.ts
index ff5f8d60..c08f4a72 100644
--- a/src/store/authStore.ts
+++ b/src/store/authStore.ts
@@ -6,6 +6,7 @@ export interface UserData {
   id: number;
   email: string;
   nickname: string;
+  hasRequiredTags: boolean;
 }
 
 interface AuthState {
@@ -23,6 +24,7 @@ const initialUserData: UserData = {
   id: 0,
   email: '',
   nickname: '',
+  hasRequiredTags: true,
 };
 
 export const getStoredUserData = () => {