Mobile terminal screen unlocking method and device

The invention discloses a mobile terminal screen unlocking method and device. The method comprises the following steps of: judging whether a mobile terminal is in a screen locking state; acquiring image information through a camera of the mobile terminal; judging whether the image information contains a facial pattern; and when the image information contains the facial pattern, eliminating the screen locking state of the mobile terminal. By using the mobile terminal screen unlocking method and device provided by the embodiment of the invention, the screen locking state can be automatically eliminated when a user faces the mobile terminal, the error pressing of buttons is avoided when the mobile terminal is in the screen locking state, meanwhile, the time of inputting an unlocking command by the user is greatly shortened, the efficiency is increased, the abrasion of a touch screen or the buttons is reduced, the service life of the mobile terminal is prolonged, and the experience of the user is improved.