The invention discloses a washing machine which comprises a box body, a rotary bucket and a balance ring, wherein rotary bucket is rotatably arranged in the box, and a pressed edge extending to the interior of the rotary bucket is formed on the inner circumferential wall of the rotary bucket; the balance ring is mounted on the pressed edge. The washing machine is in a single bucket structure, so that the washing machine is large in volume, is water-saving and pollution-free and is low in cost, and the rotary bucket is good in sealing effect.