Operation method applied to terminal device, and terminal device

Disclosed is an operation method applied to a terminal device. Three touch regions are arranged on the surface of the terminal device and are respectively corresponding to three system navigation functions, and the three system navigation functions comprise return, homepage, and recently used applications. The method comprises: when a terminal device detects a pressure that is applied to one of three touch regions and that exceeds a preset value, the terminal device executes a system navigation function corresponding to the touch region to which the pressure is applied. The operation method can provide users with a pressure touch operation mode for conveniently and rapidly operating a system navigation function, in addition to common click and long-press operations.