Coffee maker and microwave oven, and method for controlling the same, the coffee maker and microwave oven including a cabinet forming an exterior, a cooking chamber in the cabinet, an outfit room in the cabinet for mounting various electric components on an inside thereof, a case at one side of the outfit room for mounting a water tank, a heater, a funnel, a water supply pipe, and a water supply tube on an inside thereof for extraction of coffee, a fan for preventing transmission of heat from the heater to the electric components, and a control unit for putting the fan into operation after the extraction of coffee is completed, thereby preventing transmission of heat from the heater to the outfit room.