Method for mobile device returning to service station and mobile device service system

The invention relates to a method of a mobile device returning back to a service station, and a mobile device service system using the method, which comprises at least one service station with charging function and a mobile device. A plurality of signal emitters capable of guiding a mobile device to return back to the service station are installed on the service station. At least one receiving unit is installed on the mobile device. The mobile device identifies the position of the service station by searching signals emitted from the service station, so as to arrive at the service station smoothly and perform charging, standing or other specific operations. With the method and the system, the mobile device can track a shortest distance in a manner of straight line movement, and enter the service station at any angle for charging.