The present disclosure relates to a terminal device, a method and apparatus for unlocking a screen of the terminal device. The terminal device comprises a touch and display chip; the method is used on the touch and display chip and comprises: when the terminal device is in a dormant state, displaying a screen unlocking interface on the screen if touch information is detected on the screen; acquiring unlocking information for unlocking the screen via the screen unlocking interface; and unlocking the screen when the unlocking information is consistent with corresponding verification information. The terminal device, the method and apparatus for unlocking the screen of the terminal device according to the present disclosure greatly reduce the power consumption of the terminal device, and save battery power. Furthermore, the touch and display chip enables user verification during unlocking process to be securer.