The invention discloses a full-automatic lock. The full-automatic lock comprises a lock box, a side panel, a main spring bolt
assembly, an inclined bolt
assembly and a gear case; a containing space isformed between the lock box and the side panel; the main spring bolt
assembly, the inclined bolt assembly and the gear case are installed inside the containing space; through holes allowing a main spring bolt and an inclined bolt to extend out are formed in the side panel; a motor, a tank, a drive gear set and a rack board are arranged on the gear case; and on the one hand, the drive gear sets drives the rack board to move to control the main spring bolt assembly to be locked / unlocked, and on the other hand, a
power output wheel rotates to drive a second gear in the inclined bolt assembly, then a second inclined bolt shifting fork is dragged to rotate to lift up or press a first drive piece or a second drive piece, the inclined bolt retracts or extends out of the side panel to be controlled by the motor, and full-
automatic control over the lock is achieved. Besides, the motor of the full-automatic block is arranged inside the lock box, the
outer space is not occupied, the appearance of the lock is regular, the lock is easy to
mount, and the lock can be made smaller and thinner.