diff --git a/Projects/Features/SigninFeature/Sources/SigninView.swift b/Projects/Features/SigninFeature/Sources/SigninView.swift
index 3c667119..b678d3ca 100644
--- a/Projects/Features/SigninFeature/Sources/SigninView.swift
+++ b/Projects/Features/SigninFeature/Sources/SigninView.swift
@@ -96,6 +96,7 @@ struct SigninView: View {
             DMSWideButton(text: "로그인", color: .PrimaryVariant.primary) {
                 viewModel.signinButtonDidTap()
             }
+            .disabled(!viewModel.isSigninButtonEnabled)
             .padding(.top, 24)
             .frame(maxWidth: .infinity)
             .padding(.bottom, 40)
diff --git a/Projects/Features/SigninFeature/Sources/SigninViewModel.swift b/Projects/Features/SigninFeature/Sources/SigninViewModel.swift
index f128ceb8..502240d1 100644
--- a/Projects/Features/SigninFeature/Sources/SigninViewModel.swift
+++ b/Projects/Features/SigninFeature/Sources/SigninViewModel.swift
@@ -7,6 +7,10 @@ final class SigninViewModel: BaseViewModel {
     @Published var password = ""
     @Published var isOnAutoSignin = true
     @Published var isNavigateSignup = false
+    @Published var isSuccessSignin = false
+    var isSigninButtonEnabled: Bool {
+        !id.isEmpty && !password.isEmpty
+    }
 
     private let signinUseCase: any SigninUseCase
 
@@ -15,9 +19,9 @@ final class SigninViewModel: BaseViewModel {
     }
 
     func signinButtonDidTap() {
+        guard isSigninButtonEnabled else { return }
         addCancellable(signinUseCase.execute(req: .init(accountID: id, password: password))) { [weak self] _ in
-            self?.isErrorOcuured = true
-            self?.errorMessage = "아이디 또는 비밀번호를 확인해주세요"
+            self?.isSuccessSignin = true
         }
     }
 }
diff --git a/Projects/Features/SigninFeature/Tests/SigninViewModelSpec.swift b/Projects/Features/SigninFeature/Tests/SigninViewModelSpec.swift
new file mode 100644
index 00000000..83709c66
--- /dev/null
+++ b/Projects/Features/SigninFeature/Tests/SigninViewModelSpec.swift
@@ -0,0 +1,85 @@
+import Quick
+import Nimble
+import Combine
+import DomainModule
+import DataModule
+@testable import SigninFeature
+
+// swiftlint: disable function_body_length
+final class SigninViewModelSpec: QuickSpec {
+    override func spec() {
+        var signinUseCase: SigninUseCase!
+        var sut: SigninViewModel!
+
+        beforeEach {
+            signinUseCase = SigninUseCaseFake()
+            sut = SigninViewModel(signinUseCase: signinUseCase)
+        }
+        describe("SigninViewModel에서") {
+            context("유저가 아무것도 입력하지 않은 상태라면") {
+                it("isSigninButtonEnabled은 false이다.") {
+                    expect { sut.id }.to(beEmpty())
+                    expect { sut.password }.to(beEmpty())
+                    expect { sut.isSigninButtonEnabled }.to(beFalse())
+                }
+            }
+            context("유저가 ID만 입력했다면") {
+                beforeEach {
+                    sut.id = "A"
+                }
+                it("isSigninButtonEnabled은 false이다.") {
+                    expect { sut.id }.toNot(beEmpty())
+                    expect { sut.password }.to(beEmpty())
+                    expect { sut.isSigninButtonEnabled }.to(beFalse())
+                }
+            }
+            context("유저가 Password만 입력했다면") {
+                beforeEach {
+                    sut.password = "A"
+                }
+                it("isSigninButtonEnabled은 false이다.") {
+                    expect { sut.id }.to(beEmpty())
+                    expect { sut.password }.toNot(beEmpty())
+                    expect { sut.isSigninButtonEnabled }.to(beFalse())
+                }
+            }
+            context("유저가 ID와 Password를 모두 입력했다면") {
+                beforeEach {
+                    sut.id = "A"
+                    sut.password = "A"
+                }
+                it("isSigninButtonEnabled은 true이다.") {
+                    expect { sut.id }.toNot(beEmpty())
+                    expect { sut.password }.toNot(beEmpty())
+                    expect { sut.isSigninButtonEnabled }.to(beTrue())
+                }
+            }
+            context("유저가 ID와 Password를 알맞게 입력하고 로그인을 시도한다면") {
+                beforeEach {
+                    sut.id = "baekteun"
+                    sut.password = "baekteun"
+                    sut.signinButtonDidTap()
+                }
+                it("isSuccessSignin이 true이다.") {
+                    expect { sut.isSuccessSignin }.toEventually(beTrue())
+                }
+            }
+            context("유저가 ID와 Password중 하나라도 알맞지 않게 입력하고 로그인을 시도한다면") {
+                beforeEach {
+                    sut.id = "ASDF"
+                    sut.password = "ASDF"
+                    sut.signinButtonDidTap()
+                }
+                it("isSuccessSignin은 false이다") {
+                    expect { sut.isSuccessSignin }.toEventually(beFalse())
+                }
+                it("isErrorOcuured는 true이다") {
+                    expect { sut.isErrorOcuured }.toEventually(beTrue())
+                }
+                it("errorMessage는 '아이디 또는 비밀번호를 확인해주세요.'가 나온다") {
+                    expect { sut.errorMessage }.toEventually(equal("아이디 또는 비밀번호를 확인해주세요."))
+                }
+            }
+        }
+    }
+}
diff --git a/Projects/Features/SigninFeature/Tests/TargetTests.swift b/Projects/Features/SigninFeature/Tests/TargetTests.swift
deleted file mode 100644
index b1cf7940..00000000
--- a/Projects/Features/SigninFeature/Tests/TargetTests.swift
+++ /dev/null
@@ -1,17 +0,0 @@
-import XCTest
-
-class TargetTests: XCTestCase {
-
-    override func setUpWithError() throws {
-        // Put setup code here. This method is called before the invocation of each test method in the class.
-    }
-
-    override func tearDownWithError() throws {
-        // Put teardown code here. This method is called after the invocation of each test method in the class.
-    }
-
-    func testExample() throws {
-        XCTAssertEqual("A", "A")
-    }
-
-}
diff --git a/Projects/Services/DataModule/Sources/Auth/UseCases/Fake/SigninUseCaseFake.swift b/Projects/Services/DataModule/Sources/Auth/UseCases/Fake/SigninUseCaseFake.swift
new file mode 100644
index 00000000..da4db55a
--- /dev/null
+++ b/Projects/Services/DataModule/Sources/Auth/UseCases/Fake/SigninUseCaseFake.swift
@@ -0,0 +1,21 @@
+import Combine
+import DataMappingModule
+import DomainModule
+import ErrorModule
+import Foundation
+
+public struct SigninUseCaseFake: SigninUseCase {
+    public init () {}
+
+    public func execute(req: SigninRequestDTO) -> AnyPublisher<Void, DmsError> {
+        if req.accountID == "baekteun" && req.password == "baekteun" {
+            return Just(()).setFailureType(to: DmsError.self)
+                .delay(for: 1, scheduler: DispatchQueue.main)
+                .eraseToAnyPublisher()
+        } else {
+            return Fail(error: DmsError.passwordMismatch)
+                .delay(for: 1, scheduler: DispatchQueue.main)
+                .eraseToAnyPublisher()
+        }
+    }
+}