A clothes dryer comprising: a drying chamber for accommodating therein an article to be dried; an air passage through which drying air discharged from the drying chamber is circulated into the drying chamber again; a heat pump device provided in the air passage and including a compressor, a condenser, an expansion device, and an evaporator connecting with a pipe to circulate a refrigerant; an air blower for blowing air into the air passage; a discharging unit for discharging water to the evaporator; and a controller for controlling a drying operation, wherein the controller is configured to control a water supply valve to supply the water to the discharging unit, and to operate the compressor to cool the evaporator after discharging the water to the evaporator; wherein after elapse of a predetermined time from operation of the compressor, the controller operates the air blower; wherein water generated on the evaporator during the drying operation removes the water which is discharged and adhered onto the evaporator characterized in that: said water which is discharged from the discharging unit is any one of a tap water, bath water and well water; the clothes dryer further comprising: a drain port provided below the evaporator and configured to discharge the water generated on the evaporator and the water discharged from the discharging unit to an outside of the clothes dryer; wherein the discharging unit is provided above a downwind side of an end face on an upwind side of the evaporator, said upwind side being a side in which the drying air flows into the evaporator, said downwind side being opposite to the upwind side, wherein the discharging unit discharges the water to the end face on the upwind side of the evaporator from above the evaporator, wherein the discharging unit discharges the water to a lint adhered onto the end face of the evaporator, wherein the discharging unit discharges the water such that a direction of the water is discharged in a direction opposite to the direction in which the drying air flows. a drying chamber for accommodating therein an article to be dried; an air passage through which drying air discharged from the drying chamber is circulated into the drying chamber again; a heat pump device provided in the air passage and including a compressor, a condenser, an expansion device, and an evaporator connecting with a pipe to circulate a refrigerant; an air blower for blowing air into the air passage; a discharging unit for discharging water to the evaporator; and a controller for controlling a drying operation, wherein the controller is configured to control a water supply valve to supply the water to the discharging unit, and to operate the compressor to cool the evaporator after discharging the water to the evaporator; wherein after elapse of a predetermined time from operation of the compressor, the controller operates the air blower; wherein water generated on the evaporator during the drying operation removes the water which is discharged and adhered onto the evaporator characterized in that: said water which is discharged from the discharging unit is any one of a tap water, bath water and well water; the clothes dryer further comprising: a drain port provided below the evaporator and configured to discharge the water generated on the evaporator and the water discharged from the discharging unit to an outside of the clothes dryer; wherein the discharging unit is provided above a downwind side of an end face on an upwind side of the evaporator, said upwind side being a side in which the drying air flows into the evaporator, said downwind side being opposite to the upwind side, wherein the discharging unit discharges the water to the end face on the upwind side of the evaporator from above the evaporator, wherein the discharging unit discharges the water to a lint adhered onto the end face of the evaporator, wherein the discharging unit discharges the water such that a direction of the water is discharged in a direction opposite to the direction in which the drying air flows. a drain port provided below the evaporator and configured to discharge the water generated on the evaporator and the water discharged from the discharging unit to an outside of the clothes dryer; wherein the discharging unit is provided above a downwind side of an end face on an upwind side of the evaporator, said upwind side being a side in which the drying air flows into the evaporator, said downwind side being opposite to the upwind side, wherein the discharging unit discharges the water to the end face on the upwind side of the evaporator from above the evaporator, wherein the discharging unit discharges the water to a lint adhered onto the end face of the evaporator, wherein the discharging unit discharges the water such that a direction of the water is discharged in a direction opposite to the direction in which the drying air flows.