Abstract: A vertical pushing device for a perfume sprayer having a base member, a motor connected to the base member, an eccentric gear linked to the motor, a sliding block connected to a guide rail to the base, a switch member connected to the motor and interactive with a movement of a push board of the sliding block, and a controller for actuating the motor in response to signals from the switch. The push board of the sliding block contacts the nozzle of the perfume cannister so as to dispense perfume relative to a movement of the sliding block. The sliding block has a long hole which receives the eccentric gear therein.