The invention provides a dishwasher, including a shell (1), a washing device, a disinfecting device and a drying device, wherein: the washing device is provided with a motor (3), a wave wheel (4), an inner bulb (5) and a bowl basket; the inner bulb (5) is arranged in the internal cavity of a shell (1), the shaft of the motor (3) is fixedly connected with the middle part of the wave wheel (4) after penetrating the inner bulb (5) and the bowl basket is arranged in the internal cavity of the inner bulb (5); the disinfecting device adopts an ozonizer (7) which is fixed on the external wall of the inner bulb (5); the drying device comprises an electric fan (8) and a blowing tube (9), the electric fan (8) is fixed on the external wall of the inner bulb (5), one end of the blowing tube (9) is connected with the electric fan (8) and the other end is connected with an air inlet above the inner bulb (5). The dishwasher provided by the invention is applicable to households, can achieve an integrated automatic process of washing, disinfecting and drying and has the advantages of good effect for tableware washing, disinfecting and drying, compact structure and low cost.