diff --git a/app/api/auth/routes.py b/app/api/auth/routes.py
index 441f6eb..1ae1898 100644
--- a/app/api/auth/routes.py
+++ b/app/api/auth/routes.py
@@ -1,14 +1,14 @@
 from fastapi import APIRouter, Depends, Path, Request, HTTPException
 from api.auth.schema import LoginToken, LoginResponse, BingoUser, LoginType, LoginUrl
 from api.auth.services.social_login import SocialLoginDepends
-from api.auth.services.bingo_login import CreateBingoUser, GetBingoUserByName, GetBingoUserById
+from api.auth.services.bingo_login import LoginUser, GetBingoUserByName, GetBingoUserById
 
 auth_router = APIRouter(prefix="/auth")
 
 
 @auth_router.post("/bingo/sign-up", response_model=BingoUser, description="빙고용 임시 회원가입 API")
-async def bingo_sign_up(username: str, bingo_user: CreateBingoUser = Depends(CreateBingoUser)):
-    res = await bingo_user.execute(username)
+async def bingo_sign_up(username: str, password: str, bingo_user: LoginUser = Depends(LoginUser)):
+    res = await bingo_user.execute(username, password)
     return res
 
 
diff --git a/app/api/auth/services/bingo_login.py b/app/api/auth/services/bingo_login.py
index 1ed4b3a..1baccf8 100644
--- a/app/api/auth/services/bingo_login.py
+++ b/app/api/auth/services/bingo_login.py
@@ -8,10 +8,14 @@ def __init__(self, session: AsyncSessionDepends):
         self.async_session = session
 
 
-class CreateBingoUser(BaseBingoUser):
-    async def execute(self, username: str) -> BingoUser:
+class LoginUser(BaseBingoUser):
+    async def execute(self, username: str, password: str) -> BingoUser:
         try:
-            user = await BingoUser.create(self.async_session, username)
+            user = await BingoUser.get_user_by_name(self.async_session, username)
+            if not user:
+                user = await BingoUser.create(self.async_session, username, password)
+            elif password != user.password:
+                raise ValueError("password가 잘못되었습니다.")
             return BingoUserResponse(**user.__dict__, ok=True, message="빙고 유저 생성에 성공하였습니다.")
         except ValueError as e:
             return BingoUserResponse(ok=False, message=str(e))
diff --git a/app/models/user.py b/app/models/user.py
index 244101b..c9f0e7c 100644
--- a/app/models/user.py
+++ b/app/models/user.py
@@ -12,17 +12,18 @@ class BingoUser(Base):
     __tablename__ = "bingo_user"
     user_id = mapped_column(Integer, primary_key=True, nullable=False)
     username = mapped_column(String(100), nullable=False)
+    password = mapped_column(String(100), nullable=False)
     created_at = mapped_column(
         DateTime(timezone=True), default=lambda: datetime.now(ZoneInfo("Asia/Seoul")), nullable=False
     )
 
     @classmethod
-    async def create(cls, session: AsyncSession, username: str):
+    async def create(cls, session: AsyncSession, username: str, password: str):
         is_user = await session.execute(select(cls).where(cls.username == username))
         is_user = is_user.one_or_none()
         if is_user:
-            raise ValueError(f"{username}은 이미 존재하는 유저입니다. 이름에 2를 붙여 가입해주세요.")
-        new_user = BingoUser(username=username)
+            raise ValueError(f"{username}은 이미 존재하는 유저입니다. 다른 이름을 사용해주세요.")
+        new_user = BingoUser(username=username, password=password)
         session.add(new_user)
         await session.commit()
         await session.refresh(new_user)
@@ -32,8 +33,6 @@ async def create(cls, session: AsyncSession, username: str):
     async def get_user_by_name(cls, session: AsyncSession, username: str):
         res = await session.execute(select(cls).where(cls.username == username))
         user = res.scalars().first()
-        if not user:
-            raise ValueError(f"{username} 의 빙고 유저가 존재하지 않습니다.")
         return user
 
     @classmethod