diff --git a/bin/check.php b/bin/check.php
new file mode 100755
index 0000000000..6116cbdb16
--- /dev/null
+++ b/bin/check.php
@@ -0,0 +1,79 @@
+<?php
+/**
+ * This file is used to check the language items and actions.
+ */
+/* Define an emtpty control class as the base class of every module. */
+class control {}
+
+/* set module root path and included the resource of group module. */
+$moduleRoot = '../module/';
+include $moduleRoot . '/group/lang/resource.php';
+
+/* checking actions of every module. */
+echo '-------------action checking-----------------' . "\n";
+foreach(glob($moduleRoot . '*') as $modulePath)
+{
+    $moduleName  = basename($modulePath);
+    if(strpos('install|upgrade|convert|common|misc', $moduleName) !== false) continue;
+    $controlFile = $modulePath . '/control.php';
+    if(file_exists($controlFile))
+    {
+        include $controlFile;
+        if(class_exists($moduleName))
+        {
+            $class   = new ReflectionClass($moduleName);
+            $methods = $class->getMethods();
+            foreach($methods as $method)
+            {
+                $methodRef = new ReflectionMethod($method->class, $method->name);
+                if($methodRef->isPublic() and strpos($method->name, '__') === false)
+                {
+                    $methodName = $method->name;
+                    if(!isset($lang->resource->$moduleName->$methodName))
+                    {
+                        echo $moduleName . "\t" . $methodName . " not in the list. \n";
+                    }
+                }
+            }
+        }
+    }
+}
+
+/* checking actions of every module. */
+echo '-------------lang checking-----------------' . "\n";
+include '../config/config.php';
+foreach(glob($moduleRoot . '*') as $modulePath)
+{
+    unset($lang);
+    $moduleName   = basename($modulePath);
+    $mainLangFile = $modulePath . '/lang/zh-cn.php';
+    if(!file_exists($mainLangFile)) continue;
+    $mainLines = file($mainLangFile);
+
+    foreach($config->langs as $langKey => $langName)
+    {
+        if($langKey == 'zh-cn' or $langKey == 'zh-tw') continue;
+        $langFile = $modulePath . '/lang/' . $langKey . '.php';
+        if(!file_exists($langFile)) continue;
+        $lines = file($langFile);
+        foreach($mainLines as $lineNO => $line)
+        {
+            if(strpos($line, '$lang') === false)
+            {
+                //if($line != $lines[$lineNO]) echo $moduleName . ' ' . $langKey . ' ' . $lineNO . "\n";
+            }
+            else
+            {
+                list($mainKey, $mainValue) = explode('=', $line);
+                list($key, $value) = explode('=', $lines[$lineNO]);
+                if(trim($mainKey) != trim($key))
+                {
+                    $key = trim($key);
+                    echo "$moduleName $langKey $mainKey $key  $lineNO \n";
+                    break;
+                }
+            }
+        }
+    }
+}
+?>