Disclosed is a washing machine for circulating and spraying wash water. The washing machine includes a tub for accommodating wash water therein, a drum within the tub for accommodating laundry therein, a pumping blade located on the bottom surface of the drum and moving the wash water inside the tub, a drive module connected to the pumping blade to rotate the pumping blade, and a wash water spray unit located on an upper end portion of the drum spraying the wash water moved by the pumping blade.