diff --git a/client/src/apis/request/event.ts b/client/src/apis/request/event.ts
index aa53d0796..800a6e8d0 100644
--- a/client/src/apis/request/event.ts
+++ b/client/src/apis/request/event.ts
@@ -1,4 +1,4 @@
-import {Event, EventCreationData, EventId, EventName} from 'types/serviceType';
+import {Event, EventCreationData, EventId, EventName, User} from 'types/serviceType';
 import {WithErrorHandlingStrategy} from '@errors/RequestGetError';
 
 import {ADMIN_API_PREFIX, USER_API_PREFIX} from '@apis/endpointPrefix';
@@ -31,14 +31,25 @@ export const requestGetEvent = async ({eventId, ...props}: WithEventId<WithError
 };
 
 export type RequestPatchEvent = WithEventId & {
-  eventOutline: Partial<Event>;
+  eventName: string;
 };
 
-export const requestPatchEvent = async ({eventId, eventOutline}: RequestPatchEvent) => {
+export const requestPatchEventName = async ({eventId, eventName}: RequestPatchEvent) => {
   return requestPatch({
     endpoint: `${ADMIN_API_PREFIX}/${eventId}`,
     body: {
-      ...eventOutline,
+      eventName,
+    },
+  });
+};
+
+export type RequestPatchUser = Partial<User>;
+
+export const requestPatchUser = async (args: RequestPatchUser) => {
+  return requestPatch({
+    endpoint: `/api/users`,
+    body: {
+      ...args,
     },
   });
 };
diff --git a/client/src/hooks/queries/event/useRequestPatchEvent.ts b/client/src/hooks/queries/event/useRequestPatchEventName.ts
similarity index 69%
rename from client/src/hooks/queries/event/useRequestPatchEvent.ts
rename to client/src/hooks/queries/event/useRequestPatchEventName.ts
index e09a19c8b..56c1bce43 100644
--- a/client/src/hooks/queries/event/useRequestPatchEvent.ts
+++ b/client/src/hooks/queries/event/useRequestPatchEventName.ts
@@ -2,19 +2,19 @@ import type {Event} from 'types/serviceType';
 
 import {useMutation, useQueryClient} from '@tanstack/react-query';
 
-import {requestPatchEvent} from '@apis/request/event';
+import {requestPatchEventName} from '@apis/request/event';
 
 import getEventIdByUrl from '@utils/getEventIdByUrl';
 
 import QUERY_KEYS from '@constants/queryKeys';
 
-const useRequestPatchEventOutline = () => {
+const useRequestPatchEventName = () => {
   const eventId = getEventIdByUrl();
 
   const queryClient = useQueryClient();
 
   const {mutateAsync, ...rest} = useMutation({
-    mutationFn: (eventOutline: Partial<Event>) => requestPatchEvent({eventId, eventOutline}),
+    mutationFn: (eventName: string) => requestPatchEventName({eventId, eventName}),
     onSuccess: () => {
       queryClient.invalidateQueries({
         queryKey: [QUERY_KEYS.event],
@@ -28,4 +28,4 @@ const useRequestPatchEventOutline = () => {
   };
 };
 
-export default useRequestPatchEventOutline;
+export default useRequestPatchEventName;
diff --git a/client/src/hooks/queries/event/useRequestPatchUser.ts b/client/src/hooks/queries/event/useRequestPatchUser.ts
new file mode 100644
index 000000000..6ebfc70cf
--- /dev/null
+++ b/client/src/hooks/queries/event/useRequestPatchUser.ts
@@ -0,0 +1,25 @@
+import {useMutation, useQueryClient} from '@tanstack/react-query';
+
+import {RequestPatchUser, requestPatchUser} from '@apis/request/event';
+
+import QUERY_KEYS from '@constants/queryKeys';
+
+const useRequestPatchUser = () => {
+  const queryClient = useQueryClient();
+
+  const {mutateAsync, ...rest} = useMutation({
+    mutationFn: (args: RequestPatchUser) => requestPatchUser({...args}),
+    onSuccess: () => {
+      queryClient.invalidateQueries({
+        queryKey: [QUERY_KEYS.event],
+      });
+    },
+  });
+
+  return {
+    patchUser: mutateAsync,
+    ...rest,
+  };
+};
+
+export default useRequestPatchUser;
diff --git a/client/src/hooks/useAccount.ts b/client/src/hooks/useAccount.ts
index c472270ec..99f882c52 100644
--- a/client/src/hooks/useAccount.ts
+++ b/client/src/hooks/useAccount.ts
@@ -4,8 +4,8 @@ import validateAccountNumber from '@utils/validate/validateAccountNumber';
 
 import RULE from '@constants/rule';
 
-import useRequestPatchEvent from './queries/event/useRequestPatchEvent';
 import useRequestGetEvent from './queries/event/useRequestGetEvent';
+import useRequestPatchUser from './queries/event/useRequestPatchUser';
 
 const useAccount = () => {
   const {bankName, accountNumber} = useRequestGetEvent();
@@ -20,7 +20,7 @@ const useAccount = () => {
     setAccountNumber(accountNumber);
   }, [bankName, accountNumber]);
 
-  const {patchEventOutline} = useRequestPatchEvent();
+  const {patchUser} = useRequestPatchUser();
 
   const selectBank = (name: string) => {
     setBankName(name);
@@ -56,7 +56,7 @@ const useAccount = () => {
   };
 
   const enrollAccount = async () => {
-    await patchEventOutline({bankName: bankNameState, accountNumber: accountNumberState});
+    await patchUser({bankName: bankNameState, accountNumber: accountNumberState});
   };
 
   useEffect(() => {
diff --git a/client/src/types/serviceType.ts b/client/src/types/serviceType.ts
index a90e77317..2172bd3f3 100644
--- a/client/src/types/serviceType.ts
+++ b/client/src/types/serviceType.ts
@@ -59,12 +59,19 @@ export interface EventCreationData {
   password: Password;
 }
 
-export interface Event {
-  eventName: EventName;
+export type BankAccount = {
   bankName: string;
   accountNumber: string;
+};
+
+export type Event = BankAccount & {
+  eventName: EventName;
   createdByGuest: boolean;
-}
+};
+
+export type User = BankAccount & {
+  nickname: Nickname;
+};
 
 export interface Report {
   memberId: number;