diff --git a/route.php b/route.php
index e41bc84..435cd3c 100644
--- a/route.php
+++ b/route.php
@@ -44,6 +44,7 @@ if (AUTH_ENABLED) {
     $routes[] = Route::add('GET', 'register', User::class.'@register');
   }
   $routes[] = Route::add('GET', 'logout', User::class.'@logout');
+  $routes[] = Route::add('GET', 'profile/{name}', User::class.'@profile');
 }
 
 /* if (RSS_ENABLED) {} */
diff --git a/src/Site/Controller/User.php b/src/Site/Controller/User.php
index def0d9f..6e6246d 100644
--- a/src/Site/Controller/User.php
+++ b/src/Site/Controller/User.php
@@ -144,4 +144,37 @@ class User {
       throw new \Exception($e->getMessage());
     }
   }
+
+  public function profile(array $params): void {
+    if (!AUTH_ENABLED) return;
+    $name = '';
+    if (isset($params['name'])) $name = $params['name'];
+    if ($name === '') {
+      header('Location: /');
+      exit();
+    }
+
+    try {
+      $auth = new Auth;
+      $user = $auth->getLoggedInUser();
+      $u = $auth->getUser($name);
+
+      $tmpl = new Template('/');
+      $pagetit = 'サインイン';
+      $description = 'サイトにサインイン';
+
+      $tmpl->assign('pagetit', $pagetit);
+      $tmpl->assign('curPage', 'auth');
+      $tmpl->assign('custCss', false);
+      $tmpl->assign('menu', $this->getMenu());
+      $tmpl->assign('description', $description);
+      $tmpl->assign('error', $error);
+      $tmpl->assign('user', $user);
+      $tmpl->assign('u', $u);
+
+      $tmpl->render('profile');
+    } catch (\Exception $e) {
+      throw new \Exception($e->getMessage());
+    }
+  }
 }
diff --git a/src/Site/Lib/Auth.php b/src/Site/Lib/Auth.php
index 7f5df25..04ab889 100644
--- a/src/Site/Lib/Auth.php
+++ b/src/Site/Lib/Auth.php
@@ -34,7 +34,27 @@ class Auth {
     return $this->pubUser;
   }
 
-  public function setToken(string $username, string $password): \Result {
+  public function getUser(string $name): \stdClass {
+    $user = $this->getUserDataFromName($name);
+    unset($user->password);
+    unset($user->tokens);
+    $myself = $this->getUserData();
+    if ($myself->role === 1) {
+      unset($user->email);
+    }
+    $user->name = namecolor($user);
+    $user->regDate = date('Y年m月d日', $user->regDate);
+    $user->gender = $user->gender === 0 ? '男' : ($user->gender === 1 ? '女' : '不明');
+    $user->role = $user->role === 1 ? '管理者' : ($user->role === -1 ? 'BANされた' : 'ユーザー');
+    $user->avatar = '/static/user/'.($user->avatar === '' ? 'noicon.png' : $user->username.'/'.$user->avatar);
+    $user->altName = $user->displayname ?: $user->username;
+    unset($user->username);
+    unset($user->displayname);
+    unset($user->namecolor);
+    return $user;
+  }
+
+  public function setToken(string $username, #[SensitiveParameter] string $password): \Result {
     if (!AUTH_ENABLED) return \Result::Error('エラー：認証システムは無効です。');
     $userData = $this->getUserData();
     if (!isset($userData->tokens) || !is_array($userData->tokens)) $userData->tokens = [];
@@ -129,7 +149,7 @@ class Auth {
     return \Result::Error("エラー：ユーザー「{$username}」は存在しません。");
   }
 
-  public function mkUser(?string $username = null, ?string $password = null, ?string $passwordVerify = null, ?string $email = null): \Result {
+  public function mkUser(?string $username = null, #[SensitiveParameter] ?string $password = null, ?string $passwordVerify = null, ?string $email = null): \Result {
     if (!AUTH_ENABLED) return \Result::Error('エラー：認証システムは無効です。');
     if (!AUTH_REGISTER_ENABLED) return \Result::Error('ユーザー登録は無効です。');
     $resUsr = $this->verifyUsername($username);
@@ -191,7 +211,7 @@ class Auth {
 
   ////////////////////
 
-  private function verifyLogin(string $username, string $password): \Result {
+  private function verifyLogin(string $username, #[SensitiveParameter] string $password): \Result {
     if (!AUTH_ENABLED) return \Result::Error('エラー：認証システムは無効です。');
     $userData = $this->getUserData();
     if ($username !== $userData->username || !password_verify($password, $userData->password)) {
@@ -286,6 +306,39 @@ class Auth {
     return json_decode($lines);
   }
 
+  private function getUserDataFromName(string $name): \stdClass {
+    if (!AUTH_ENABLED) return new \stdClass;
+    $file = scandir($this->dataDir);
+    $userFile = "";
+    $matches = [];
+
+    foreach ($file as $f) {
+      if ($f === '.kara' || $f === '.' || $f === '..') continue;
+      if (preg_match('/^(.*?)\.(.*?)\.json$/', $f, $matches)) {
+        if (isset($matches[2]) && $matches[2] === $name) {
+          $userFile = $matches[0];
+          break;
+        }
+      }
+    }
+    $path = $this->dataDir.$userFile;
+    unset($file, $userFile);
+
+    if (!file_exists($path) || !is_readable($path)) {
+      kys('エラー');
+    }
+
+    $fp = fopen($path, 'r');
+    assert_not_null($fp);
+    if (!$fp) kys('ユーザーが存在しない。');
+    $lines = "";
+    while (($buf = fgets($fp, 4096)) !== false) $lines .= $buf.PHP_EOL;
+    if (!feof($fp)) kys("エラー：不明なエラー");
+    fclose($fp);
+    unset($path);
+    return json_decode($lines);
+  }
+
   private function isEmailExist(?string $email = null): \Result {
     if (!AUTH_ENABLED) return \Result::Error('エラー：認証システムは無効です。');
     $userList = scandir($this->dataDir);
@@ -342,7 +395,7 @@ class Auth {
     return \Result::Success();
   }
 
-  private function verifyPassword(?string $password = null, ?string $passwordVerify = null): \Result {
+  private function verifyPassword(#[SensitiveParameter] ?string $password = null, #[SensitiveParameter] ?string $passwordVerify = null): \Result {
     if (!AUTH_ENABLED) return \Result::Error('エラー：認証システムは無効です。');
     if (null === $password || '' === $password) return \Result::Error('エラー：パスワードをご入力下さい。');
     if ($password !== $passwordVerify) return \Result::Error('エラー：パスワードは一致していません。');
@@ -355,7 +408,7 @@ class Auth {
     return \Result::Success();
   }
 
-  private function checkPasswordStandards(?string $password = null): \Result {
+  private function checkPasswordStandards(#[SensitiveParameter] ?string $password = null): \Result {
     if (!AUTH_ENABLED) return \Result::Error('エラー：認証システムは無効です。');
     if (strlen($password) < $this->minPassLen) return \Result::Error("エラー：パスワードは{$this->minPassLen}以上をご入力下さい。");
 
diff --git a/view/common/header.maron b/view/common/header.maron
index d4049fb..09e6b5f 100644
--- a/view/common/header.maron
+++ b/view/common/header.maron
@@ -59,7 +59,7 @@
 {@ if (AUTH_ENABLED) @}
       <div>
 {@ if (isset($user) && isset($user->id) && $user->id > 0) @}
-        お帰りなしゃ～い、{{{ namecolor($user) }}}！ (<a href="/logout">ログアウト</a>)
+        お帰りなしゃ～い、<a style="text-decoration: none;" href="/profile/{{ $user->username }}">{{{ namecolor($user) }}}</a>！ (<a href="/logout">ログアウト</a>)
 {@ else @}
         <a href="/login">ログイン</a>
 {@ if (AUTH_REGISTER_ENABLED) @}
diff --git a/view/profile.maron b/view/profile.maron
new file mode 100644
index 0000000..9772e13
--- /dev/null
+++ b/view/profile.maron
@@ -0,0 +1,19 @@
+{@ include(common/header) @}
+      <h1 class="paragraph">{{{ $u->name }}}</h1>
+      <p class="paragraph">
+        <table>
+          <tbody>
+            <tr>
+              <td rowspan="3"><img src="{{ $u->avatar }}" alt="{{ $u->altName }}" style="max-width: 100px; max-height: 100px; width: 100%; height: 100%;" /></td>
+              <td>登録日：{{ $u->regDate }}</td>
+            </tr>
+            <tr>
+              <td>ロール：{{ $u->role }}</td>
+            </tr>
+            <tr>
+              <td>性別：{{ $u->gender }}</td>
+            </tr>
+          </tbody>
+        </table>
+      </p>
+{@ include(common/footer) @}
\ No newline at end of file