The invention discloses a washing machine, and relates to the technical field of washing machines. A door cover can be automatically opened, and the opening angle of the door cover can be precisely controlled. The washing machine comprises a shell, an impeller washing drum is arranged inside the shell, the door cover is hinged to the upper portion of the drum opening of the impeller washing drum,a locking piece is arranged between the door cover and the shell, and when the door cover is closed, the locking piece can lock the door cover; the washing machine further comprises a reset piece anda limiting structure, when the locking piece is unlocked, recovery force of the reset piece can drive the door cover to be opened, the limiting structure can define the opening angle of the door cover. The washing machine can be used for automatically opening the door cover of the impeller washing machine.