Dishwasher

The utility model relates to a dish-washing machine which comprises a dish-washing machine body, a dish-washing machine cover and a dish-washing machine cover. The spraying arm assembly is configured to spray washing water to the washing cavity; the water supply mechanism comprises a heating pump, the heating pump is used for supplying washing water to the spraying arm assembly and/or the washing cavity, and the heating pump is used for heating the washing water; the heating pump is communicated with the washing cavity through a fluid channel of the heating device, and the heating device is used for heating washing water flowing through the fluid channel; and the control device is electrically connected with the heating pump and the heating device. According to the dish-washing machine disclosed by the invention, the heating pump can heat washing water while pumping water so as to improve the decontamination capability; meanwhile, the independent heating device is arranged on the water path for communicating