The utility model discloses an air purifying type unmanned aerial vehicle which comprises a vehicle body, an engine, a rotor wing spindle and a paddle clip pin shaft. The unmanned aerial vehicle further comprises an air filter, the air filter comprises a ventilating slot, a filter screen, a fairing, a sealing ring and a rotor wing connecting piece, the ventilating slot is arranged on the unmanned aerial vehicle, the filter screen is fixed in the ventilating slot, one end of the fairing is fixedly connected with an air inlet valve, the other end of the fairing is fixedly connected with the ventilating slot, the sealing ring is arranged between the fairing and the engine, the rotor wing connecting piece enables the rotor wing spindle and the paddle clip pin shaft to be movably connected, the rotor wing connecting piece comprises the rotor wing spindle, the paddle clip pin shaft and a damping gasket, a damping groove is formed in the end of the rotor wing spindle, the rotor wing spindle is sleeved with the paddle clip spindle, the damping groove is sleeved with the damping gasket, one side face of the damping gasket is attached to the rotor wing spindle, and the other side face of the damping gasket is attached to the paddle clip pin shaft.