The present invention relates to a clothes dryer, including a drum, a heat pump cycle having a first evaporator, a compressor and a condenser, and a blower for circulating air, wherein the heat pump cycle includes second to nth evaporators disposed in series with the first evaporator within an air duct; an auxiliary heat exchanger to cool refrigerant discharged from the condenser, and first to nth expansion valves to independently control flow rates of refrigerants flowing into the first to nth evaporators, wherein the dryer further includes a controller to control the compressor according to refrigerant discharge pressure of the compressor or refrigerant inlet pressure of the condenser.