Range hood and cleaning system thereof

The utility model discloses a range hood and a cleaning system thereof. The range hood comprises a case, a deflector, a volute, an impeller, a condenser plate and a second spray pipe, wherein the deflector is arranged on the front side of the case and is provided with a smoke outlet; the volute is installed in the case and is arranged behind the deflector; the impeller is installed in the volute; the condenser plate is arranged in front of the deflector and is spaced from the front surface of the deflector; the second spray pipe is used for cleaning the condenser plate, is provided with spray orifices and is arranged between the front surface of the deflector and the rear surface of the condenser plate. The range hood provided by the embodiment of the utility model has the function of automatically cleaning the condenser plate.