A drum type washing machine capable of reducing water supply time and water drainage time, thereby reducing time of an entire washing cycle, the drum type washing machine including a body; a tub provided at an inside the body to accommodate washing water therein; a drum rotatably installed at an inside the tub; a water supply unit connected to the tub and provided to supply washing water; and a first storage unit connected to the water supply unit and provided to store washing water that is to be supplied to the tub, wherein the first storage unit includes a first storage tank configured to store washing water; a first connecting pipe configured to connect the first storage tank to the water supply unit; and a second connecting pipe configured to connect the first storage tank to the tub.