Waterproof micro motor

A waterproof micro motor provided by the utility model comprises a shell, a rotor and a plurality of magnetic blocks uniformly distributed on the inner wall of the shell, the rotor comprises a rotating shaft and an iron core winding sleeved on the rotating shaft, and a first centrifugal fan blade and a second centrifugal fan blade which are sleeved on the rotating shaft and are respectively positioned on two sides of the iron core winding are arranged in the shell. Air inlets of the first centrifugal fan blades and the second centrifugal fan blades face the two ends of the shell correspondingly, a plurality of water outlet holes are formed in the upper side and the lower side of the side wall of the shell in a rectangular array penetrating mode, and a plurality of ventilation grooves are formed in the two end walls of the shell in a penetrating mode. External air enters the shell through the ventilation grooves in the two ends of the shell, air flow is discharged from the water outlet holes under the rectific