The invention discloses a purifier surface rapidly cleaning device. The purifier surface rapidly cleaning device comprises a bottom plate, the upper surface of the bottom plate is fixedly connected with the bottom end of a driving device, the top end of the driving device is fixedly connected with the lower surface of a driving wheel, the driving wheel is in transmission connection with a driven wheel through a belt, the inner surface of the driven wheel is fixedly connected to the outer surface of a bearing, the bearing is connected to the upper surface of a support plate in a clamped mode, and the support plate is arranged above the driven wheel. According to the purifier surface rapidly cleaning device, by means of a water pump, a bucket, a first water pipe, a second water pipe, a pipesleeve, a spray nozzle, a first electric push rod and a hairbrush, the hairbrush can be in lap joint with a purifier body; by means of a motor, the driving wheel, the driven wheel and the belt, the motor can drive the bearing to rotate when in work, so that water sprayed out by the spray nozzle can be uniformly sprayed onto the outer surface of the purifier body, and the hairbrush can brush the outer surface of the purifier body to rapidly clean the purifier body.