SCREEN LOCKING METHOD AND MOBILE TERMINAL

An embodiment of the present invention discloses a screen locking method, including: receiving an instruction, of a user, for lighting up a screen of a mobile terminal, and lighting up the screen of the mobile terminal; and in a lock screen state, invoking a first picture from local pictures stored in the mobile terminal to replace a preset lock screen background, where the first picture is obtained by a user by means of downloading and photographing, or pushed by a server to the mobile terminal according to a preference of a user. An embodiment of the present invention further discloses a mobile terminal. In the present invention, automatic switching of a lock screen background in a lock screen state can be implemented, and a user can see a new lock screen background provided that a screen is lit up, thereby increasing variability of a lock screen background, improving switching efficiency, and enhancing a feeling of freshness of a user on a lock screen.