diff --git a/momoIOS/Authentication/Controller/AuthCommonConstants.swift b/momoIOS/Authentication/Controller/AuthCommonConstants.swift
index 444ca64..b369563 100644
--- a/momoIOS/Authentication/Controller/AuthCommonConstants.swift
+++ b/momoIOS/Authentication/Controller/AuthCommonConstants.swift
@@ -20,13 +20,14 @@ let welcomeTitle: UILabel = {
 }()
 
 // MARK: - UITextField
-func inputContainerView(placeholder: String) -> UITextField {
+func inputContainerView(placeholder: String, isSecureField: Bool = false) -> UITextField {
     let textfield = UITextField()
     textfield.heightAnchor.constraint(equalToConstant: 55).isActive = true
     textfield.placeholder = placeholder
     textfield.borderStyle = .roundedRect
     textfield.font = UIFont.systemFont(ofSize: 16)
     textfield.attributedPlaceholder = NSAttributedString(string: placeholder, attributes: [NSAttributedString.Key.foregroundColor: UIColor.gray])
+    textfield.isSecureTextEntry = isSecureField
     return textfield
 }
 
diff --git a/momoIOS/Authentication/Controller/LoginController.swift b/momoIOS/Authentication/Controller/LoginController.swift
index cef91c8..bdb7bdd 100644
--- a/momoIOS/Authentication/Controller/LoginController.swift
+++ b/momoIOS/Authentication/Controller/LoginController.swift
@@ -24,7 +24,7 @@ class LoginController: UIViewController {
     }()
     
     private lazy var passwordTextField: UITextField = {
-        return inputContainerView(placeholder: "비밀번호를 입력해주세요")
+        return inputContainerView(placeholder: "비밀번호를 입력해주세요", isSecureField: true)
     }()
     
     private let loginButton: UIButton = {
diff --git a/momoIOS/Authentication/Controller/RegistrationController.swift b/momoIOS/Authentication/Controller/RegistrationController.swift
index 4e2a947..a7f1604 100644
--- a/momoIOS/Authentication/Controller/RegistrationController.swift
+++ b/momoIOS/Authentication/Controller/RegistrationController.swift
@@ -23,7 +23,7 @@ class RegistrationController: UIViewController {
     }()
     
     private lazy var passwordTextField: UITextField = {
-        return inputContainerView(placeholder: "비밀번호를 입력해주세요")
+        return inputContainerView(placeholder: "비밀번호를 입력해주세요", isSecureField: true)
     }()
     
     private let validPasswordFormatLabel: UILabel = {
@@ -36,7 +36,7 @@ class RegistrationController: UIViewController {
     }()
     
     private lazy var checkPasswordTextField: UITextField = {
-        return inputContainerView(placeholder: "비밀번호를 재입력해주세요")
+        return inputContainerView(placeholder: "비밀번호를 재입력해주세요", isSecureField: true)
     }()
     
     private let confirmPasswordLabel: UILabel = {