diff --git a/README.md b/README.md
index b839e85..66c4d19 100644
--- a/README.md
+++ b/README.md
@@ -164,6 +164,16 @@ sorry John you will be banned :(
 ```php
 $this->aauth->ban_user(3);
 ``` 
+
+You can check if the user exists in the database based on the user's id
+
+```php
+if($this->aauth->user_exsist_by_id(3)){
+//user exsist
+}else{
+//user not exsist
+}
+```
  
 Quick Start is done but thats not the end  
 Take a look [detailed Documentation from wiki](https://github.com/emreakay/CodeIgniter-Aauth/wiki/_pages)   
diff --git a/application/libraries/Aauth.php b/application/libraries/Aauth.php
index d337a65..c8aa727 100644
--- a/application/libraries/Aauth.php
+++ b/application/libraries/Aauth.php
@@ -803,6 +803,25 @@ class Aauth {
             return FALSE;
     }
 
+    /**
+     * user_exsist_by_id
+     * Check if user exist by user id
+     * @param $user_id
+     *
+     * @return bool
+     */
+    public function user_exsist_by_id( $user_id ) {
+        $query = $this->CI->db->where('id', $user_id);
+
+        $query = $this->CI->db->get($this->config_vars['users']);
+
+        if ($query->num_rows() > 0)
+            return TRUE;
+        else
+            return FALSE;
+    }
+
+
     /**
      * Get user id
      * Get user id from email address, if par. not given, return current user's id