An electronic device includes a display screen including a touch display area and a non-touch display area. The electronic device is caused to display, when an application of the electronic device is executed, a first application interface of the application in the touch display area, and generate, when the electronic device receives a first predetermined signal, a second application interface and display the second application interface on the first application interface. The second application interface is displayed adjacent to the non-touch display area. The second application interface includes a number of function buttons respectively corresponding to auxiliary functions. The auxiliary functions include functions corresponding to operating system functions of the electronic device.