Method and device for displaying Bluetooth device lists as well as mobile terminal

The embodiment of the invention discloses a method and device for displaying Bluetooth device lists as well as a mobile terminal. According to the method, the device and the mobile terminal, a second key corresponding to a first key of target application is preset to a system file, and the mobile terminal can directly invoke the second key preset to the system file at an inner system level after receiving Bluetooth broadcast information sent by intelligent hardware, so as to decrypt the Bluetooth broadcast information to obtain description information of the intelligent hardware, and then display the Bluetooth device lists with the description information. Through adoption of the method, the device and the mobile terminal, a user no longer needs to open the target application and manually trigger a Bluetooth scanning button on an application interface to realize searching for Bluetooth devices and displaying of the Bluetooth device lists; however, the Bluetooth broadcast information is decrypted at the inner