The utility model provides a pulsator dish washer, the power distribution box comprises a box body, be equipped with the baffle in band -pass hole in the box, the baffle with the sealed cooperation of box, and will washing chamber and installation cavity are separated into to the box, be equipped with the motor in the installation cavity, the motor is equipped with the power shaft, the power shaft deviates from the one end of motor is connected with the pivot, the pivot by through -hole department is passed, follows get into in the installation cavity wash the intracavity, the pivot deviates from the one end cover of installation cavity is equipped with the impeller, it is equipped with the washing basket to wash the intracavity, the box have with wash the water inlet and the delivery port of chamber intercommunication, the box includes inner wall and encirclement the outer wall of inner wall, the inner wall with there is hollow cavity between the outer wall, be equipped with sound absorbing material in the cavity. The effectual consumption dish washer of sound absorbing material ability plays the better sound of inhaling and falls the effect of making an uproar because of the acoustic energy of the noise of reasons such as the tableware is put, impeller rotation, motor operation production.