diff --git a/apps/common/features/src/entities/menu-authority/index.ts b/apps/common/features/src/entities/menu-authority/index.ts
index baf6e6085..da36accae 100644
--- a/apps/common/features/src/entities/menu-authority/index.ts
+++ b/apps/common/features/src/entities/menu-authority/index.ts
@@ -1,3 +1,4 @@
 export { MenuAuthorityApi } from "./api/menu-authority-service";
 export { type PageMenuAuthority } from "./model/menu-authority-interface";
+export { AuthorityButton } from "./ui/authority-button";
 export { ManagementAuthorityDialog } from "./ui/management-authority-dialog";
diff --git a/apps/common/features/src/entities/menu-authority/ui/authority-button.tsx b/apps/common/features/src/entities/menu-authority/ui/authority-button.tsx
new file mode 100644
index 000000000..257ab6e5d
--- /dev/null
+++ b/apps/common/features/src/entities/menu-authority/ui/authority-button.tsx
@@ -0,0 +1,26 @@
+import { useMenuStore } from "@/shared/lib";
+import { Button, cn, type ButtonProps } from "@common/components";
+import type { PageMenuAuthority } from "../model/menu-authority-interface";
+
+type AuthorityButtonProps = {
+  authority: keyof PageMenuAuthority;
+} & ButtonProps;
+
+function AuthorityButton({
+  authority,
+  className,
+  children,
+  ...props
+}: AuthorityButtonProps) {
+  const pageMenuAuthority = useMenuStore((state) => state.pageMenuAuthority);
+
+  const isAuthority = pageMenuAuthority?.[authority] === "Y";
+
+  return (
+    <Button className={cn(className, !isAuthority && "hidden")} {...props}>
+      {children}
+    </Button>
+  );
+}
+
+export { AuthorityButton };
diff --git a/apps/common/features/src/widgets/post/ui/post-action.tsx b/apps/common/features/src/widgets/post/ui/post-action.tsx
index 4eaa960cb..b063f7636 100644
--- a/apps/common/features/src/widgets/post/ui/post-action.tsx
+++ b/apps/common/features/src/widgets/post/ui/post-action.tsx
@@ -2,21 +2,24 @@ import { useRouter, usePathname } from "next/navigation";
 import { useConfirm } from "@frontend-opensource/use-react-hooks";
 import { Button } from "@common/components";
 import { useMenuStore, useUserStore } from "@/shared/lib";
+import { AuthorityButton } from "@/entities/menu-authority";
 
 type PostActionProps = {
-  bbsId: string;
-  pstNo: string;
+  registerId?: string;
   children: React.ReactNode;
   handleDelete: () => Promise<void>;
 };
 
-function PostAction({ children, handleDelete }: PostActionProps) {
+function PostAction({ registerId, children, handleDelete }: PostActionProps) {
   const router = useRouter();
   const pathname = usePathname();
   const { confirm } = useConfirm();
   const bbsInfo = useMenuStore((state) => state.bbsInfo);
   const userInfo = useUserStore((state) => state.userInfo);
 
+  const actionButtonAuthrt =
+    userInfo?.adminRoleYn === "Y" || userInfo?.userUnqId === registerId;
+
   const onDelete = async () => {
     if (await confirm("삭제하시겠습니까?")) handleDelete();
   };
@@ -46,15 +49,19 @@ function PostAction({ children, handleDelete }: PostActionProps) {
         >
           목록
         </Button>
-        <Button
-          size="lg"
-          type="button"
-          onClick={() => router.push(`${pathname}/modify`)}
-        >
-          수정
-        </Button>
+        {actionButtonAuthrt && (
+          <AuthorityButton
+            authority="mdfcnAuthrtYn"
+            size="lg"
+            type="button"
+            onClick={() => router.push(`${pathname}/modify`)}
+          >
+            수정
+          </AuthorityButton>
+        )}
         {bbsInfo?.ansUseYn === "Y" && (
-          <Button
+          <AuthorityButton
+            authority="regAuthrtYn"
             size="lg"
             type="button"
             color="gray"
@@ -62,11 +69,19 @@ function PostAction({ children, handleDelete }: PostActionProps) {
             disabled={!checkAnsUseAuthrt()}
           >
             답글
-          </Button>
+          </AuthorityButton>
+        )}
+        {actionButtonAuthrt && (
+          <AuthorityButton
+            authority="delAuthrtYn"
+            size="lg"
+            color="red"
+            type="button"
+            onClick={onDelete}
+          >
+            삭제
+          </AuthorityButton>
         )}
-        <Button size="lg" color="red" type="button" onClick={onDelete}>
-          삭제
-        </Button>
       </div>
     </>
   );
diff --git a/apps/common/features/src/widgets/post/ui/post.tsx b/apps/common/features/src/widgets/post/ui/post.tsx
index bd8db7c21..8033938cf 100644
--- a/apps/common/features/src/widgets/post/ui/post.tsx
+++ b/apps/common/features/src/widgets/post/ui/post.tsx
@@ -125,7 +125,7 @@ function Post({ bbsId, pstNo }: { bbsId: string; pstNo: string }) {
 
   return (
     <>
-      <PostAction bbsId={bbsId} pstNo={pstNo} handleDelete={handleDelete}>
+      <PostAction registerId={postData?.rgtr} handleDelete={handleDelete}>
         <div className="card card-border !p-8">
           <h3 className="text-[2rem] font-bold text-foreground">
             {postData?.pstTtl}