The utility model relates to a washing machine, which comprises an internal cylinder, an outer cylinder and solid particles serving as a washing medium. The internal cylinder is driven by a driving device to rotate, an inwards-protruding lifting rib is arranged on the inner wall of the internal cylinder, a wind circulation channel is arranged in the washing machine, a fan is arranged in the wind circulation channel, two ends of the wind circulation channel are communicated with the internal cylinder, and a discharge hole for recovering the particles and a feed hole for feeding the particles are arranged on the front portion of the internal cylinder. The washing machine can enable clothes and the particles to be sufficiently mixed to improve cleaning rate, simultaneously after a washing process is finished, the clothes and the particles can be simultaneously dewatered, dehydrated and recovered to simplify washing procedures, wind blowing to the internal cylinder enables separation and recovery of the particles to be achieved, and the washing machine is favorable for 100% recovery of the particles.