The invention belongs to the technical field of household appliances and particularly discloses a washing machine. The washing machine comprises a machine body, a driving portion and a control panel.An impeller is connected in a washing and dewatering drum which is arranged in the machine body, the washing and dewatering drum and the impeller are provided with a plurality of through holes, and awater storage cavity is formed between the washing and dewatering drum and the machine body. The driving portion comprises a driving shaft and a power part, the driving shaft penetrates the washing and dewatering drum and is connected with the impeller, and the driving shaft is in rotational connection with the washing and dewatering drum. The driving shaft is provided with a first groove, an electromagnet and a first elastic part are arranged in the first groove and controlled by the control panel, the first elastic part is connected with the first groove and the electromagnet, and the electromagnet is positioned in the first groove when not electrified. The washing and dewatering drum is provided with a second groove facing the first groove, and an iron block is fixed into the second groove. By the washing machine, the problem that a washing machine in the prior art is complex in structure and prone to faults can be solved.