The invention discloses a motor home opening device based on face recognition. The motor home opening device comprises an automatic unlocking mechanism, a manual unlocking mechanism, an internal handle and a face recognition device, wherein the automatic unlocking mechanism comprises a separation driving mechanism, a driving block, a second reset spring and a motor; the driving block is fixedly connected onto an output shaft of the motor; through the separation driving mechanism, the driving block can be propped against or separated from a first bulge of a lock tongue on a motor home door; themanual unlocking mechanism comprises a lock cylinder, a cam, a torsional spring and a lug boss; through the lug boss, the motor home opening device can be switched to the manual mode; the cam can bepropped against a second bulge of the lock tongue so as to achieve the unlocking operation; the torsional spring is used for resetting the lock cylinder; the internal handle is connected together withthe lock cylinder; and through the control of the motor, the automatic unlocking function of the face recognition device can be achieved. Accordingly, the motor home opening device has the advantagesthat the automatic unlocking mode and the manual unlocking mode can be conveniently and rapidly switched over, and the use is convenient.