Disclosed is a drum type washing machine comprising a cabinet having an opening, a door installed at the cabinet, a tub installed in the cabinet, a drum rotatably installed in the tub, a gasket sealing a gap between the door and the tub by being installed between the opening of the cabinet and the tub and a moisture removing means provided at the gasket and a means sealing a gap between the door and the tub installed between the opening of the cabinet and the tub to prevent pollutants from being generated at a middle of a lower end of an inner side surface or to prevent washing water from remaining thereat, where the residual washing water preventing means is implemented as a drain portion or a heating member provided at the gasket that is capable of preventing odor or foreign substances caused by moisture remaining at the gasket.