The invention discloses a dishwasher. The dishwasher comprises a tank body, a frist electric telescopic rod is arranged at the top end of an inner chamber of the tank body, the power output end of thefirst electric telescopic rod is connected with an installation box, first stirring rods are arranged at both sides of first rotating shafts, the bottom ends of the first rotating shafts are connected with rotating brush bodies, a bowl rack is arranged in the inner cavity of the box body, a second rotating shaft is arranged at the left end of the bowl rack and plugged into an inner cavity of a bearing, the bearing is located in an inner cavity of a left side shell body of the tank body, the right side of the bowl rack is connected with a motor shaft of the rotating motor, the rotating motor is located on the right side of the tank body, a second servo motor is arranged at the bottom of the tank body, second stirring rods are evenly arranged on both sides of a third rotating shaft, heatingdevices are uniformly arranged at the bottom of the inner cavity of the tank body, and pits are evenly arranged in the inner wall of the tank body. The dishwasher and a dishwasher control method havethe advantages of good cleaning effect, easy removal of stains, and the like.