Provided is a washing machine. The washing machine includes: a washing drum accommodated in an outer drum 3; a motor for rotating the washing drum; a water tank for receiving detergent water containing detergents from the outer drum; a circulating path for taking the detergent water and injecting the detergent water from an upper side into the washing drum; a pump for taking the detergent water in the water tank into the circulating path and lifting the detergent water in the circulating path; and a control part for executing a washing operation including a dewatering washing process. In the dewatering washing process, circulating treatment, impregnation treatment and dewatering treatment are repeatedly conducted.
