Abstract: A dish washer with dryer comprising a washing and drying compartment defined in a main body wherein tableware to be cleaned and dried are loaded, a washing pump for spraying cleaning water into the compartment, a heater and fan for feeding drying air into the compartment after the spraying of the cleaning water, the dish washer with dryer comprising:a leading inlet and outlet for the drying air located on a compartment wall of the washing and drying room;suction and exhaust holes for outside air located on an outer body wall of the main body wall;a circulating air pathway for connecting the leading inlet with the leading outlet and a cooling air pathway for connecting the suction hole with the exhaust hole between the room wall and the outer body wall;a double faced fan which forms a part of a partition board by which both pathways are partitioned.