diff --git a/src/app/matching/_components/ClientMatching.tsx b/src/app/matching/_components/ClientMatching.tsx
index 94c729b..39ab603 100644
--- a/src/app/matching/_components/ClientMatching.tsx
+++ b/src/app/matching/_components/ClientMatching.tsx
@@ -12,7 +12,6 @@ import Mood from './Mood';
 import Region from './Region';
 import Type from './Type';
 import { Tmatching, Tsession } from '@/types/TSession';
-import Link from 'next/link';
 import { useRouter } from 'next/navigation';
 
 export type TClientMatchingProps = {
diff --git a/typings/boardType.ts b/typings/boardType.ts
new file mode 100644
index 0000000..9cfed3d
--- /dev/null
+++ b/typings/boardType.ts
@@ -0,0 +1,34 @@
+import { MongoCommon } from './mongodb';
+
+export type TBoardIcon = 'check' | 'heart' | 'good' | 'smile' | 'clap' | 'sad';
+
+export interface IBlackBoard extends MongoCommon {
+  studyId: string;
+  writerId: string;
+  type: string;
+  title: string;
+  content: string;
+  image: string;
+  views: number;
+  icons: string[];
+}
+
+export interface IComments extends MongoCommon {
+  commentWriteId: string;
+  commentContent: string;
+  studyId: string;
+}
+
+export interface IBoardIcons extends MongoCommon {
+  iconName: TBoardIcon;
+  blackboardId: string;
+}
+
+export interface IBlackBoardComments extends MongoCommon {
+  blackboardId: string;
+  userId: string;
+  comment: string;
+  likes: string[];
+}
+
+//좋아요 등도 타입으로따로지정가능
diff --git a/typings/bookmarkType.ts b/typings/bookmarkType.ts
new file mode 100644
index 0000000..fe961e5
--- /dev/null
+++ b/typings/bookmarkType.ts
@@ -0,0 +1,7 @@
+import { MongoCommon } from './mongodb';
+
+export interface IBookmark extends MongoCommon {
+  targetId: string;
+  checked: boolean;
+  userId: string;
+}
diff --git a/typings/mongodb.ts b/typings/mongodb.ts
new file mode 100644
index 0000000..92aa406
--- /dev/null
+++ b/typings/mongodb.ts
@@ -0,0 +1,6 @@
+export interface MongoCommon {
+  _id: string;
+  createdAt?: string;
+  updatedAt?: string;
+  __v: number;
+}
diff --git a/typings/studyType.ts b/typings/studyType.ts
new file mode 100644
index 0000000..0efb9f2
--- /dev/null
+++ b/typings/studyType.ts
@@ -0,0 +1,66 @@
+import { MongoCommon } from './mongodb';
+import { Interest, Mood, StudyType } from './user';
+
+export interface IStudyInfo extends MongoCommon {
+  leaderId: string;
+  studyImage: string;
+  studyName: string;
+  studyContent: string;
+  studyType: StudyType;
+  studyLevel: string;
+  studyMember: number;
+  studyJoinMember: number;
+  studyLecture: string;
+  studyCategory: Interest | '기타';
+  studyViews: number;
+  studyDeadline: string;
+  studyStart: string;
+  studyEnd: string;
+  studyPlace: string;
+  studyMeetings: string;
+  studyMood: Mood[];
+}
+
+//스터디수준 조금더 구체화 (스터디 작성폼만들기)
+//studyLevel 이 user.ts 에 Level type 에서 재사용이 불가능
+//why ? '신입(1~3년)' vs '신입'
+
+export interface IStudyForm extends MongoCommon {
+  studyId: string;
+  userId: string;
+  studyFormTitle: string;
+  studyFormContent: string;
+  studyFormRead: boolean;
+  studyFormSure: boolean;
+}
+
+export interface IStudyMember extends MongoCommon {
+  studyId: string;
+  userId: string;
+  attendance: string[];
+  studyProgress: number;
+}
+
+export interface IStudyReview extends MongoCommon {
+  studyId: string;
+  userId: string;
+  studyReviewScore: number;
+  studyReviewContent: string;
+  evaluateduser: string;
+}
+
+export interface IStudySchedules extends MongoCommon {
+  title: string;
+  place: string;
+  date: string;
+  time: string;
+  studyId: string;
+}
+
+export interface IStudyTodo extends MongoCommon {
+  studyId: string;
+  userId: string;
+  todoContent: string;
+  todoCompleted: boolean;
+  date: string;
+}
diff --git a/typings/user.ts b/typings/user.ts
new file mode 100644
index 0000000..bfaa8fb
--- /dev/null
+++ b/typings/user.ts
@@ -0,0 +1,48 @@
+import { MongoCommon } from './mongodb';
+export type Interest =
+  | '디자인'
+  | '개발 테크'
+  | '마케팅'
+  | '비즈니스'
+  | '경제'
+  | '외국어'
+  | '자격증'
+  | '자기계발';
+export type Level = '비기너' | '신입' | '주니어' | '시니어';
+export type StudyType = '온라인' | '오프라인' | '상관없음';
+export type Mood =
+  | '친근한'
+  | '전문적인'
+  | '진지한'
+  | '체계적인'
+  | '열정적인'
+  | '책임감있는'
+  | '학습중심적'
+  | '협력적인'
+  | '자기주도적'
+  | '자유로운';
+
+export interface IUser extends MongoCommon {
+  name: string;
+  email: string;
+  nickname: string;
+  image: string;
+  matchingInfo?: string;
+  sturingPercent: number;
+  studyCount: number;
+  authProviderId: string;
+}
+
+export interface IMatching extends MongoCommon {
+  userid: string;
+  interest: Interest[];
+  level: {
+    [key in Interest]: Level;
+  };
+  studyType: StudyType;
+  preferRegion: string[];
+  preferMood: Mood[];
+  matchingInfo: string;
+}
+
+//level 과 preferRegion,Mood 같은경우는 string 보다 조금더 좁은 타입으로 좁힐수있을것같다.