diff --git a/iOS/Layover/Layover/Network/AuthManager.swift b/iOS/Layover/Layover/Network/AuthManager.swift
index d53e975..419e3aa 100644
--- a/iOS/Layover/Layover/Network/AuthManager.swift
+++ b/iOS/Layover/Layover/Network/AuthManager.swift
@@ -13,6 +13,7 @@ protocol AuthManagerProtocol: AnyObject {
     var loginType: LoginType? { get set }
     var memberID: Int? { get set }
 
+    func login(accessToken: String?, refreshToken: String?, memberID: Int?, loginType: LoginType?)
     func logout()
 }
 
@@ -22,6 +23,14 @@ enum LoginType: String, Codable {
 }
 
 extension AuthManagerProtocol {
+    func login(accessToken: String?, refreshToken: String?, memberID: Int?, loginType: LoginType?) {
+        self.accessToken = accessToken
+        self.refreshToken = refreshToken
+        self.memberID = memberID
+        self.loginType = loginType
+        isLoggedIn = true
+    }
+
     func logout() {
         accessToken = nil
         refreshToken = nil
diff --git a/iOS/Layover/Layover/Scenes/Login/LoginWorker.swift b/iOS/Layover/Layover/Scenes/Login/LoginWorker.swift
index 059266a..e3a8fcc 100644
--- a/iOS/Layover/Layover/Scenes/Login/LoginWorker.swift
+++ b/iOS/Layover/Layover/Scenes/Login/LoginWorker.swift
@@ -88,11 +88,10 @@ extension LoginWorker: LoginWorkerProtocol {
             let endPoint = loginEndPointFactory.makeKakaoLoginEndPoint(with: socialToken)
             let result = try await provider.request(with: endPoint, authenticationIfNeeded: false)
 
-            authManager.accessToken = result.data?.accessToken
-            authManager.refreshToken = result.data?.refreshToken
-            authManager.isLoggedIn = true
-            authManager.loginType = .kakao
-            authManager.memberID = await fetchMemberId()
+            authManager.login(accessToken: result.data?.accessToken,
+                              refreshToken: result.data?.refreshToken,
+                              memberID: await fetchMemberId(),
+                              loginType: .kakao)
             return true
         } catch {
             os_log(.error, log: .data, "%@", error.localizedDescription)
@@ -118,11 +117,10 @@ extension LoginWorker: LoginWorkerProtocol {
             let endPoint: EndPoint = loginEndPointFactory.makeAppleLoginEndPoint(with: identityToken)
             let result: EndPoint<Response<LoginDTO>>.Response = try await provider.request(with: endPoint, authenticationIfNeeded: false)
 
-            authManager.accessToken = result.data?.accessToken
-            authManager.refreshToken = result.data?.refreshToken
-            authManager.isLoggedIn = true
-            authManager.loginType = .apple
-            authManager.memberID = await fetchMemberId()
+            authManager.login(accessToken: result.data?.accessToken,
+                              refreshToken: result.data?.refreshToken,
+                              memberID: await fetchMemberId(),
+                              loginType: .apple)
             return true
         } catch {
             os_log(.error, log: .data, "%@", error.localizedDescription)
diff --git a/iOS/Layover/Layover/Scenes/SignUpScene/SignUpWorker.swift b/iOS/Layover/Layover/Scenes/SignUpScene/SignUpWorker.swift
index 9a5d111..5f0eb90 100644
--- a/iOS/Layover/Layover/Scenes/SignUpScene/SignUpWorker.swift
+++ b/iOS/Layover/Layover/Scenes/SignUpScene/SignUpWorker.swift
@@ -50,11 +50,10 @@ extension SignUpWorker: SignUpWorkerProtocol {
                 return false
             }
 
-            authManager.accessToken = data.accessToken
-            authManager.refreshToken = data.refreshToken
-            authManager.isLoggedIn = true
-            authManager.loginType = .kakao
-            authManager.memberID = await fetchMemberId()
+            authManager.login(accessToken: data.accessToken,
+                              refreshToken: data.refreshToken,
+                              memberID: await fetchMemberId(),
+                              loginType: .kakao)
             return true
         } catch {
             os_log(.error, log: .data, "Failed to sign up with error: %@", error.localizedDescription)
@@ -71,11 +70,10 @@ extension SignUpWorker: SignUpWorkerProtocol {
                 os_log(.error, log: .default, "Failed to sign up with error: %@", responseData.message)
                 return false
             }
-            authManager.accessToken = data.accessToken
-            authManager.refreshToken = data.refreshToken
-            authManager.isLoggedIn = true
-            authManager.loginType = .apple
-            authManager.memberID = await fetchMemberId()
+            authManager.login(accessToken: data.accessToken,
+                              refreshToken: data.refreshToken,
+                              memberID: await fetchMemberId(),
+                              loginType: .apple)
             return true
         } catch {
             os_log(.error, log: .data, "Failed to sign up with error: %@", error.localizedDescription)