The utility model discloses a pulverizer, including smashing case, motor, base and sieve, smash the case upper end and be provided with the case lid, and form sealed cavity between case lid and the crushing case, the motor sets up on the base, and crushing case is located the motor upper end, the rotor of motor stretches into crushing incasement, and is provided with blade and brush on the rotor respectively, the blade is located the brush below, smash bottom of the case end and be provided with the sieve groove, and the sieve card is established at the sieve inslot, this pulverizer, its adopts and install the sieve additional in smashing the room, will wait to smash the material and adorn in the sieve inside crushing indoorly, and the finished product after smashing like this passes through the crushing room part outside the sieve entering sieve under the effect of centrifugal force to with wait to smash material?separation, improve the motor blade and the contact opportunity that waits to smash the material, thereby improve and smash efficiency, the operation is thus simple. The practicality is strong, easily uses widely.