diff --git a/src/api/service/group-service/index.ts b/src/api/service/group-service/index.ts
index ee833a80..1dd79a48 100644
--- a/src/api/service/group-service/index.ts
+++ b/src/api/service/group-service/index.ts
@@ -7,7 +7,7 @@ import {
   GetGroupsResponse,
   GetMyGroupsPayload,
   GetMyGroupsResponse,
-  GroupIdPayload,
+  GroupIdParams,
   PreUploadGroupImageResponse,
 } from '@/types/service/group';
 
@@ -43,20 +43,24 @@ export const groupServiceRemote = () => ({
     return apiV2.post<CreateGroupResponse>('/groups/create', payload);
   },
 
-  getGroupDetails: (payload: GroupIdPayload) => {
-    return apiV2.get<GetGroupDetailsResponse>(`/groups/${payload.groupId}`);
+  editGroup: (params: GroupIdParams, payload: CreateGroupPayload) => {
+    return apiV2.patch<CreateGroupResponse>(`/groups/${params.groupId}`, payload);
   },
 
-  attendGroup: (payload: GroupIdPayload) => {
-    return apiV2.post<GetGroupDetailsResponse>(`/groups/${payload.groupId}/attend`);
+  getGroupDetails: (params: GroupIdParams) => {
+    return apiV2.get<GetGroupDetailsResponse>(`/groups/${params.groupId}`);
   },
 
-  leaveGroup: (payload: GroupIdPayload) => {
-    return apiV2.post<GetGroupDetailsResponse>(`/groups/${payload.groupId}/left`);
+  attendGroup: (params: GroupIdParams) => {
+    return apiV2.post<GetGroupDetailsResponse>(`/groups/${params.groupId}/attend`);
   },
 
-  deleteGroup: (payload: GroupIdPayload) => {
-    return apiV2.delete(`/groups/${payload.groupId}`);
+  leaveGroup: (params: GroupIdParams) => {
+    return apiV2.post<GetGroupDetailsResponse>(`/groups/${params.groupId}/left`);
+  },
+
+  deleteGroup: (params: GroupIdParams) => {
+    return apiV2.delete(`/groups/${params.groupId}`);
   },
 
   uploadGroupImages: (payload: FormData) => {
diff --git a/src/app/post-meetup/[groupId]/layout.tsx b/src/app/post-meetup/[groupId]/layout.tsx
new file mode 100644
index 00000000..89257d12
--- /dev/null
+++ b/src/app/post-meetup/[groupId]/layout.tsx
@@ -0,0 +1,38 @@
+import { redirect } from 'next/navigation';
+
+import { dehydrate, HydrationBoundary } from '@tanstack/react-query';
+import { QueryClient } from '@tanstack/react-query';
+
+import { API } from '@/api';
+import { groupKeys } from '@/lib/query-key/query-key-group';
+
+interface Props {
+  children: React.ReactNode;
+  params: Promise<{ groupId: string }>;
+}
+
+const EditMeetupLayout = async ({ children, params }: Props) => {
+  const queryClient = new QueryClient();
+
+  const { groupId } = await params;
+
+  const { userId: sessionUserId } = await API.userService.getMe();
+
+  const { createdBy, status } = await queryClient.fetchQuery({
+    queryKey: groupKeys.detail(groupId),
+    queryFn: async () => API.groupService.getGroupDetails({ groupId }),
+  });
+
+  const isHost = sessionUserId === createdBy.userId;
+  const isEditable = status !== 'FINISHED';
+
+  if (!isHost || !isEditable) {
+    redirect('/post-meetup');
+  }
+
+  const dehydratedState = dehydrate(queryClient);
+
+  return <HydrationBoundary state={dehydratedState}>{children}</HydrationBoundary>;
+};
+
+export default EditMeetupLayout;
diff --git a/src/app/post-meetup/[groupId]/page.tsx b/src/app/post-meetup/[groupId]/page.tsx
new file mode 100644
index 00000000..dd77d8d2
--- /dev/null
+++ b/src/app/post-meetup/[groupId]/page.tsx
@@ -0,0 +1,117 @@
+'use client';
+
+import { useRouter } from 'next/navigation';
+
+import { use } from 'react';
+
+import { useForm } from '@tanstack/react-form';
+
+import {
+  MeetupCapField,
+  MeetupDateField,
+  MeetupDetailField,
+  MeetupImagesField,
+  MeetupLocationField,
+  MeetupSubmitButton,
+  MeetupTagsField,
+  MeetupTitleField,
+} from '@/components/pages/post-meetup';
+import { useEditGroup } from '@/hooks/use-group/use-group-edit';
+import { useGetGroupDetails } from '@/hooks/use-group/use-group-get-details';
+import { CreateGroupFormValues, createGroupSchema } from '@/lib/schema/group';
+import { GetGroupDetailsResponse, PreUploadGroupImageResponse } from '@/types/service/group';
+
+interface Props {
+  params: Promise<{ groupId: string }>;
+}
+
+const EditMeetupPage = ({ params }: Props) => {
+  const { groupId } = use(params);
+  const { replace } = useRouter();
+  const { data } = useGetGroupDetails({ groupId });
+  const { mutateAsync: EditGroup } = useEditGroup({ groupId });
+
+  const {
+    title,
+    address: { location },
+    startTime,
+    tags,
+    description,
+    maxParticipants,
+    images,
+  } = data as GetGroupDetailsResponse;
+
+  const { defaultImages } = convertToDefaultImages(images);
+
+  const form = useForm({
+    defaultValues: {
+      title,
+      location,
+      startTime,
+      tags,
+      description,
+      maxParticipants,
+      images: defaultImages,
+      joinPolicy: 'FREE',
+    } as CreateGroupFormValues,
+    validators: {
+      onChange: createGroupSchema,
+      onSubmit: createGroupSchema,
+    },
+    onSubmit: async ({ value }) => {
+      value.images = value.images?.map((image, idx) => {
+        return { ...image, sortOrder: idx };
+      });
+
+      const res = await EditGroup(value);
+
+      replace(`/meetup/${res.id}`);
+    },
+  });
+
+  return (
+    <div>
+      <form>
+        <section className='px-4'>
+          <form.Field children={(field) => <MeetupTitleField field={field} />} name='title' />
+          <form.Field children={(field) => <MeetupLocationField field={field} />} name='location' />
+          <form.Field children={(field) => <MeetupDateField field={field} />} name='startTime' />
+          <form.Field
+            children={(field) => <MeetupCapField field={field} />}
+            name='maxParticipants'
+          />
+          <form.Field children={(field) => <MeetupImagesField field={field} />} name='images' />
+          <form.Field
+            children={(field) => <MeetupDetailField field={field} />}
+            name='description'
+          />
+          <form.Field children={(field) => <MeetupTagsField field={field} />} name='tags' />
+        </section>
+
+        <form.Subscribe
+          children={(state) => (
+            <MeetupSubmitButton state={state} onSubmitClick={() => form.handleSubmit()} />
+          )}
+          selector={(state) => state}
+        />
+      </form>
+    </div>
+  );
+};
+
+export default EditMeetupPage;
+
+const convertToDefaultImages = (images: GetGroupDetailsResponse['images']) => {
+  const defaultImages: PreUploadGroupImageResponse['images'] = [];
+
+  images.forEach(({ imageKey, sortOrder, variants }) => {
+    defaultImages.push({
+      imageKey,
+      sortOrder,
+      imageUrl100x100: variants[0].imageUrl,
+      imageUrl440x240: variants[1].imageUrl,
+    });
+  });
+
+  return { defaultImages };
+};
diff --git a/src/app/post-meetup/page.tsx b/src/app/post-meetup/page.tsx
index 6a16e467..e771ae90 100644
--- a/src/app/post-meetup/page.tsx
+++ b/src/app/post-meetup/page.tsx
@@ -30,6 +30,7 @@ const PostMeetupPage = () => {
       description: '',
       maxParticipants: 0,
       images: [],
+      joinPolicy: 'FREE',
     } as CreateGroupFormValues,
     validators: {
       onChange: createGroupSchema,
@@ -40,7 +41,7 @@ const PostMeetupPage = () => {
         return { ...image, sortOrder: idx };
       });
 
-      const res = await createGroup({ ...value });
+      const res = await createGroup(value);
 
       replace(`/meetup/${res.id}`);
     },
diff --git a/src/hooks/use-group/use-group-attend/index.ts b/src/hooks/use-group/use-group-attend/index.ts
index 112729e9..3962ba48 100644
--- a/src/hooks/use-group/use-group-attend/index.ts
+++ b/src/hooks/use-group/use-group-attend/index.ts
@@ -2,15 +2,15 @@ import { useMutation, useQueryClient } from '@tanstack/react-query';
 
 import { API } from '@/api';
 import { groupKeys } from '@/lib/query-key/query-key-group';
-import { GroupIdPayload } from '@/types/service/group';
+import { GroupIdParams } from '@/types/service/group';
 
-export const useAttendGroup = (payload: GroupIdPayload, callback: () => void) => {
+export const useAttendGroup = (params: GroupIdParams, callback: () => void) => {
   const queryClient = useQueryClient();
 
   const query = useMutation({
-    mutationFn: () => API.groupService.attendGroup(payload),
+    mutationFn: () => API.groupService.attendGroup(params),
     onSuccess: async () => {
-      await queryClient.invalidateQueries({ queryKey: groupKeys.detail(payload.groupId) });
+      await queryClient.invalidateQueries({ queryKey: groupKeys.detail(params.groupId) });
       callback();
       console.log('모임 참여 성공.');
     },
diff --git a/src/hooks/use-group/use-group-delete/index.ts b/src/hooks/use-group/use-group-delete/index.ts
index 224b5d9a..c8f4efb2 100644
--- a/src/hooks/use-group/use-group-delete/index.ts
+++ b/src/hooks/use-group/use-group-delete/index.ts
@@ -1,11 +1,11 @@
 import { useMutation } from '@tanstack/react-query';
 
 import { API } from '@/api';
-import { GroupIdPayload } from '@/types/service/group';
+import { GroupIdParams } from '@/types/service/group';
 
-export const useDeleteGroup = (payload: GroupIdPayload, callback: () => void) => {
+export const useDeleteGroup = (params: GroupIdParams, callback: () => void) => {
   const query = useMutation({
-    mutationFn: () => API.groupService.deleteGroup(payload),
+    mutationFn: () => API.groupService.deleteGroup(params),
     onSuccess: async () => {
       console.log('모임 삭제 성공.');
       callback();
diff --git a/src/hooks/use-group/use-group-edit/index.ts b/src/hooks/use-group/use-group-edit/index.ts
new file mode 100644
index 00000000..62a5219b
--- /dev/null
+++ b/src/hooks/use-group/use-group-edit/index.ts
@@ -0,0 +1,22 @@
+import { useMutation, useQueryClient } from '@tanstack/react-query';
+
+import { API } from '@/api';
+import { groupKeys } from '@/lib/query-key/query-key-group';
+import { CreateGroupPayload, GroupIdParams } from '@/types/service/group';
+
+export const useEditGroup = (params: GroupIdParams) => {
+  const queryClient = useQueryClient();
+
+  const query = useMutation({
+    mutationFn: (payload: CreateGroupPayload) => API.groupService.editGroup(params, payload),
+    onSuccess: async () => {
+      await queryClient.invalidateQueries({ queryKey: groupKeys.detail(params.groupId) });
+
+      console.log('모임 생성 성공.');
+    },
+    onError: () => {
+      console.log('모임 생성 실패.');
+    },
+  });
+  return query;
+};
diff --git a/src/hooks/use-group/use-group-get-details/index.ts b/src/hooks/use-group/use-group-get-details/index.ts
index 6499b965..e48b33c6 100644
--- a/src/hooks/use-group/use-group-get-details/index.ts
+++ b/src/hooks/use-group/use-group-get-details/index.ts
@@ -2,12 +2,12 @@ import { useQuery } from '@tanstack/react-query';
 
 import { API } from '@/api';
 import { groupKeys } from '@/lib/query-key/query-key-group';
-import { GroupIdPayload } from '@/types/service/group';
+import { GroupIdParams } from '@/types/service/group';
 
-export const useGetGroupDetails = (payload: GroupIdPayload) => {
+export const useGetGroupDetails = (params: GroupIdParams) => {
   const query = useQuery({
-    queryKey: groupKeys.detail(payload.groupId),
-    queryFn: () => API.groupService.getGroupDetails(payload),
+    queryKey: groupKeys.detail(params.groupId),
+    queryFn: () => API.groupService.getGroupDetails(params),
   });
   return query;
 };
diff --git a/src/hooks/use-group/use-group-leave/index.ts b/src/hooks/use-group/use-group-leave/index.ts
index 1d1bb2ed..0bb88fcd 100644
--- a/src/hooks/use-group/use-group-leave/index.ts
+++ b/src/hooks/use-group/use-group-leave/index.ts
@@ -2,15 +2,15 @@ import { useMutation, useQueryClient } from '@tanstack/react-query';
 
 import { API } from '@/api';
 import { groupKeys } from '@/lib/query-key/query-key-group';
-import { GroupIdPayload } from '@/types/service/group';
+import { GroupIdParams } from '@/types/service/group';
 
-export const useLeaveGroup = (payload: GroupIdPayload, callback: () => void) => {
+export const useLeaveGroup = (params: GroupIdParams, callback: () => void) => {
   const queryClient = useQueryClient();
 
   const query = useMutation({
-    mutationFn: () => API.groupService.leaveGroup(payload),
+    mutationFn: () => API.groupService.leaveGroup(params),
     onSuccess: async () => {
-      await queryClient.invalidateQueries({ queryKey: groupKeys.detail(payload.groupId) });
+      await queryClient.invalidateQueries({ queryKey: groupKeys.detail(params.groupId) });
       callback();
       console.log('모임 탈퇴 성공.');
     },
diff --git a/src/lib/schema/group.ts b/src/lib/schema/group.ts
index a0cd3acf..afe778dd 100644
--- a/src/lib/schema/group.ts
+++ b/src/lib/schema/group.ts
@@ -25,6 +25,7 @@ export const createGroupSchema = z.object({
       }),
     )
     .optional(),
+  joinPolicy: z.union([z.literal('FREE'), z.literal('APPROVE')]),
 });
 
 export type CreateGroupFormValues = z.infer<typeof createGroupSchema>;
diff --git a/src/types/service/group.ts b/src/types/service/group.ts
index 3a1aab39..331c11cf 100644
--- a/src/types/service/group.ts
+++ b/src/types/service/group.ts
@@ -101,6 +101,7 @@ export interface CreateGroupPayload {
     imageKey: string;
     sortOrder: number;
   }[];
+  joinPolicy: 'FREE' | 'APPROVE';
 }
 
 export interface CreateGroupResponse {
@@ -200,6 +201,6 @@ export interface GetGroupDetailsResponse {
   }[];
 }
 
-export interface GroupIdPayload {
+export interface GroupIdParams {
   groupId: string;
 }