A washing machine, comprising a breathing light group, a door body, a door hinge, a housing and a computer program controller, wherein the breathing light group is arranged on the door body, and comprises a plurality of breathing lights; wherein the computer program controller is configured to change a quantity ratio of bright breathing lights to dimmed breathing lights among the plurality of breathing lights in the breathing light group according to a change of a working progress of the washing machine; and the door body is connected to the housing via the door hinge, wherein the door hinge is provided with a passage for accommodating a wire harness of the breathing light group, and the wire harness penetrates through the housing via the passage and is connected to the computer program controller of the washing machine; characterized in that wherein the door body comprises an outer frame, a middle frame and a glass window; an outer edge of the glass window is arranged between the outer frame and the middle frame to fix the glass window; the middle frame has an outer annular surface, a middle annular surface, an annular groove and a mounting portion for fixing the glass window sequentially arranged from an outer periphery to a center position, wherein the middle annular surface is arranged obliquely relative to the outer annular surface, and one side of the middle annular surface close to the annular groove is inclined towards the outer frame; the plurality of breathing lights are arranged on a side wall of the annular groove close to the middle annular surface; the middle annular surface is an arc surface protruded inward; and the change of the working progress is a change of one of the followings: a ratio of the time during which a selected procedure has been operated to a total operation time of the selected procedure; and a ratio of a remaining time of the selected procedure to a total operation time of the selected procedure. wherein the computer program controller is configured to change a quantity ratio of bright breathing lights to dimmed breathing lights among the plurality of breathing lights in the breathing light group according to a change of a working progress of the washing machine; and the door body is connected to the housing via the door hinge, wherein the door hinge is provided with a passage for accommodating a wire harness of the breathing light group, and the wire harness penetrates through the housing via the passage and is connected to the computer program controller of the washing machine; characterized in that wherein the door body comprises an outer frame, a middle frame and a glass window; an outer edge of the glass window is arranged between the outer frame and the middle frame to fix the glass window; the middle frame has an outer annular surface, a middle annular surface, an annular groove and a mounting portion for fixing the glass window sequentially arranged from an outer periphery to a center position, wherein the middle annular surface is arranged obliquely relative to the outer annular surface, and one side of the middle annular surface close to the annular groove is inclined towards the outer frame; the plurality of breathing lights are arranged on a side wall of the annular groove close to the middle annular surface; the middle annular surface is an arc surface protruded inward; and the change of the working progress is a change of one of the followings: a ratio of the time during which a selected procedure has been operated to a total operation time of the selected procedure; and a ratio of a remaining time of the selected procedure to a total operation time of the selected procedure.