1. A method of controlling screen lock of a mobile terminal, the method comprising: providing a User Interface (UI) for setting a screen unlock mode using a wireless device other than the mobile terminal; storing IDentifier (ID) information of the wireless device designated by the UI corresponding to the screen unlock mode; and if, after the ID information of the wireless device is stored, the wireless device is detected by the mobile terminal and ID information of the detected wireless device is identical to the stored ID information, controlling not to display a unlock requesting screen when a display unit of the mobile terminal is turned on.