Air-assisted mist and water mist fruit tree plant protection tractor

The utility model discloses an air-assisted mist and water mist fruit tree plant protection tractor which comprises a tractor body, a fixing frame is arranged on the tractor body, a raw material box is arranged in the fixing frame, the raw material box is connected with an adjusting valve, the adjusting valve is connected with a water pump, a fan is arranged on the fixing frame, and the water pump is connected with a water pump. A plurality of mist spraying nozzles are arranged on the circumferential outer wall of the fan, an auxiliary mist spraying mechanism used for adjusting the transverse and vertical positions according to the sizes of fruit trees in proportion is arranged on the tractor, the auxiliary mist spraying mechanism is communicated with the mist spraying nozzles, existence of the fruit trees can be automatically recognized, and when the fruit trees exist, a mist spraying device is automatically started; when it is detected that the fruit trees do not exist, the spraying device is automatically