The present invention provides a method for implementing Bluetooth automatic return link in Android system, which belongs to wireless communication field. The method includes: in a case that the a Bluetooth module is activated, when a mobile terminal detects that Bluetooth broadcast is a Bluetooth connecting request, executing steps of: determining whether a Bluetooth device address contained in the Bluetooth connecting request matches a Bluetooth device address in buffer, if yes, building connection with a current Bluetooth device corresponding to the Bluetooth device address contained in the Bluetooth connecting request, and updating Bluetooth connection state to connected state; otherwise, not responding to the Bluetooth connecting request. By a mechanism of Bluetooth automatic return link provided by the present invention, trouble of manually reconnecting after restarting a Bluetooth peripheral is reduced, which makes operations smarter and simpler and improves easy-using of the product and user experience.