diff --git a/src/app/group/[groupId]/page.tsx b/src/app/group/[groupId]/page.tsx
index 91cf7c5e..265b573d 100644
--- a/src/app/group/[groupId]/page.tsx
+++ b/src/app/group/[groupId]/page.tsx
@@ -22,14 +22,14 @@ const GroupDetailPage = ({ params }: Props) => {
 
   if (!data) return null;
 
-  const { images, status, joinPolicy, myMembership, joinedMembers } = data;
+  const { chatRoomId, images, status, joinPolicy, myMembership, joinedMembers } = data;
 
   return (
     <div>
       <GroupBannerImages images={images} />
       <GroupDescriptions descriptions={data} />
       <GroupMembers isHost={myMembership?.role === 'HOST'} members={joinedMembers} />
-      <GroupButtons statuses={{ status, myMembership, joinPolicy }} />
+      <GroupButtons chatRoomId={chatRoomId} statuses={{ status, myMembership, joinPolicy }} />
     </div>
   );
 };
diff --git a/src/components/pages/group/group-buttons/index.tsx b/src/components/pages/group/group-buttons/index.tsx
index c9cb18c0..b5a04f2d 100644
--- a/src/components/pages/group/group-buttons/index.tsx
+++ b/src/components/pages/group/group-buttons/index.tsx
@@ -8,9 +8,13 @@ import { GetGroupDetailsResponse } from '@/types/service/group';
 
 interface Props {
   statuses: Pick<GetGroupDetailsResponse, 'status' | 'myMembership' | 'joinPolicy'>;
+  chatRoomId: GetGroupDetailsResponse['chatRoomId'];
 }
 
-export const GroupButtons = ({ statuses: { status, myMembership, joinPolicy } }: Props) => {
+export const GroupButtons = ({
+  statuses: { status, myMembership, joinPolicy },
+  chatRoomId,
+}: Props) => {
   const isMember = myMembership?.status === 'ATTEND' && status !== 'FINISHED';
 
   const isPending = myMembership?.status === 'PENDING' && status !== 'FINISHED';
@@ -27,7 +31,12 @@ export const GroupButtons = ({ statuses: { status, myMembership, joinPolicy } }:
         />
       )}
       {isPending && <PendingButton />}
-      {isMember && <MembersButton conditions={{ isHost: myMembership.role === 'HOST' }} />}
+      {isMember && (
+        <MembersButton
+          chatRoomId={chatRoomId}
+          conditions={{ isHost: myMembership.role === 'HOST' }}
+        />
+      )}
       {isFinished && <FinishedButton />}
     </div>
   );
diff --git a/src/components/pages/group/group-buttons/members-button/index.tsx b/src/components/pages/group/group-buttons/members-button/index.tsx
index 2ea55283..9ea2a349 100644
--- a/src/components/pages/group/group-buttons/members-button/index.tsx
+++ b/src/components/pages/group/group-buttons/members-button/index.tsx
@@ -1,22 +1,22 @@
-// import { useRouter } from 'next/navigation';
+import { useRouter } from 'next/navigation';
 
 import { GroupModal } from '@/components/pages/group/group-modal';
 import { Button, useModal } from '@/components/ui';
+import { GetGroupDetailsResponse } from '@/types/service/group';
 
 interface Props {
   conditions: {
     isHost: boolean;
   };
+  chatRoomId: GetGroupDetailsResponse['chatRoomId'];
 }
 
-export const MembersButton = ({ conditions: { isHost } }: Props) => {
+export const MembersButton = ({ conditions: { isHost }, chatRoomId }: Props) => {
   const { open } = useModal();
-  // const { push } = useRouter();
+  const { push } = useRouter();
 
-  // 그룹 채팅방 아이디 추가해야됨
   const onEnterChatClick = () => {
-    alert('채팅 파업');
-    // push('/message/id');
+    push(`/message/chat/${chatRoomId}`);
   };
 
   return (
diff --git a/src/types/service/group.ts b/src/types/service/group.ts
index 1c07ef3c..267c4e5e 100644
--- a/src/types/service/group.ts
+++ b/src/types/service/group.ts
@@ -155,6 +155,7 @@ export interface CreateGroupResponse {
 
 export interface GetGroupDetailsResponse {
   id: number;
+  chatRoomId: number;
   title: string;
   joinPolicy: GroupV2JoinPolicy;
   status: GroupV2Status;