Disclosed is a washing machine including an air storage unit configured to store air therein; a compression unit configured to communicate with the air storage unit and the outer tub, and to compress the air in the air storage unit by compressing water from an outer tub of the washing machine; and a water spraying tube connected to the compression unit and the tub cover. Further, the washing machine includes an opening and closing unit configured to open and close a flow path of the water spraying tube, wherein the opening and closing unit is configured to cause the water to be sprayed into an inner tub using compressed air from the air storage unit.
