diff --git a/data/src/main/java/com/going/data/dto/request/SignInRequestDto.kt b/data/src/main/java/com/going/data/dto/request/SignInRequestDto.kt
index 26b60f39..bd982038 100644
--- a/data/src/main/java/com/going/data/dto/request/SignInRequestDto.kt
+++ b/data/src/main/java/com/going/data/dto/request/SignInRequestDto.kt
@@ -1,5 +1,7 @@
 package com.going.data.dto.request
 
+import com.going.domain.entity.request.RequestSignInModel
+import com.going.domain.entity.request.RequestSignUpModel
 import kotlinx.serialization.SerialName
 import kotlinx.serialization.Serializable
 
@@ -8,3 +10,6 @@ data class SignInRequestDto(
     @SerialName("platform")
     val platform: String
 )
+
+fun RequestSignInModel.toSignInRequestDto(): SignInRequestDto =
+    SignInRequestDto(platform)
diff --git a/data/src/main/java/com/going/data/repositoryImpl/AuthRepositoryImpl.kt b/data/src/main/java/com/going/data/repositoryImpl/AuthRepositoryImpl.kt
index 90d7a1b5..e4414b50 100644
--- a/data/src/main/java/com/going/data/repositoryImpl/AuthRepositoryImpl.kt
+++ b/data/src/main/java/com/going/data/repositoryImpl/AuthRepositoryImpl.kt
@@ -1,8 +1,9 @@
 package com.going.data.repositoryImpl
 
 import com.going.data.datasource.AuthDataSource
-import com.going.data.dto.request.SignInRequestDto
+import com.going.data.dto.request.toSignInRequestDto
 import com.going.data.dto.request.toSignUpRequestDto
+import com.going.domain.entity.request.RequestSignInModel
 import com.going.domain.entity.request.RequestSignUpModel
 import com.going.domain.entity.response.AuthTokenModel
 import com.going.domain.repository.AuthRepository
@@ -13,12 +14,12 @@ class AuthRepositoryImpl @Inject constructor(
 ) : AuthRepository {
     override suspend fun postSignIn(
         Authorization: String,
-        platform: String,
+        data: RequestSignInModel,
     ): Result<AuthTokenModel> =
         runCatching {
             authDataSource.postLogin(
                 Authorization,
-                SignInRequestDto(platform),
+                data.toSignInRequestDto(),
             ).data.toAuthTokenModel()
         }
 
diff --git a/domain/src/main/kotlin/com/going/domain/entity/request/RequestSignInModel.kt b/domain/src/main/kotlin/com/going/domain/entity/request/RequestSignInModel.kt
new file mode 100644
index 00000000..fc88c6ea
--- /dev/null
+++ b/domain/src/main/kotlin/com/going/domain/entity/request/RequestSignInModel.kt
@@ -0,0 +1,5 @@
+package com.going.domain.entity.request
+
+data class RequestSignInModel(
+    val platform: String
+)
diff --git a/domain/src/main/kotlin/com/going/domain/repository/AuthRepository.kt b/domain/src/main/kotlin/com/going/domain/repository/AuthRepository.kt
index 8625150a..1f4ebdd7 100644
--- a/domain/src/main/kotlin/com/going/domain/repository/AuthRepository.kt
+++ b/domain/src/main/kotlin/com/going/domain/repository/AuthRepository.kt
@@ -1,12 +1,13 @@
 package com.going.domain.repository
 
+import com.going.domain.entity.request.RequestSignInModel
 import com.going.domain.entity.request.RequestSignUpModel
 import com.going.domain.entity.response.AuthTokenModel
 
 interface AuthRepository {
     suspend fun postSignIn(
         Authorization: String,
-        platform: String,
+        data: RequestSignInModel,
     ): Result<AuthTokenModel>
 
     suspend fun postSignUp(
diff --git a/presentation/src/main/java/com/going/presentation/onboarding/signin/SignInViewModel.kt b/presentation/src/main/java/com/going/presentation/onboarding/signin/SignInViewModel.kt
index 0a48af62..d4b80f38 100644
--- a/presentation/src/main/java/com/going/presentation/onboarding/signin/SignInViewModel.kt
+++ b/presentation/src/main/java/com/going/presentation/onboarding/signin/SignInViewModel.kt
@@ -3,6 +3,7 @@ package com.going.presentation.onboarding.signin
 import android.content.Context
 import androidx.lifecycle.ViewModel
 import androidx.lifecycle.viewModelScope
+import com.going.domain.entity.request.RequestSignInModel
 import com.going.domain.repository.AuthRepository
 import com.going.domain.repository.TokenRepository
 import com.going.presentation.util.toErrorCode
@@ -65,12 +66,12 @@ class SignInViewModel @Inject constructor(
     // 서버통신 - 카카오 토큰 보내서 서비스 토큰 받아오기 - 서버와 협의 후 수정예정
     private fun changeTokenFromServer(
         accessToken: String,
-        social: String = KAKAO,
+        platform: String = KAKAO,
     ) {
         _postChangeTokenState.value = SignInState.LOADING
 
         viewModelScope.launch {
-            authRepository.postSignIn(accessToken, social).onSuccess {
+            authRepository.postSignIn(accessToken, RequestSignInModel(platform)).onSuccess {
                 tokenRepository.setTokens(it.accessToken, it.refreshToken)
 
                 _postChangeTokenState.value = SignInState.SUCCESS