The invention discloses a drum washing machine. The drum washing machine comprises an outer drum, an inner drum, a stirring device, a driver, a planetary gear subassembly and a water supply device, wherein the inner drum is rotatably arranged in the outer drum; the stirring device is rotatably arranged in the inner drum and provided with water spraying holes; the driver is in drive connection withthe inner drum through a main shaft, and the main shaft transfers the torque of the driver into the inner drum; the planetary gear subassembly is in drive connection with the main shaft and the stirring device separately, and the planetary gear subassembly transfers the torque of the main shaft to the stirring device; the water supply device is communicated with the outer drum or a water source and the stirring device separately, and supplies water in the outer drum or the water source to the stirring device, and the water is sprayed into the inner drum through the water spraying holes. According to the embodiment of the drum washing machine, diversified washing modes can be realized, and the drum washing machine has the advantages of being high in washing efficiency, stable in performance, long in service life and the like.