Unmanned aerial vehicle for pesticide spraying

The utility model discloses an unmanned aerial vehicle for pesticide spraying, and relates to the related field of unmanned aerial vehicles. The unmanned aerial vehicle comprises a supporting plate, a main control area is installed in the middle of the supporting plate, a plurality of propellers are symmetrically arranged at the end of the supporting plate, the propellers are connected with the output end of a motor installed on the supporting plate through rotating shafts, a water storage mechanism is arranged in the main control area, and the water storage mechanism is connected with a first water spraying opening; the device is characterized in that the water storage mechanism comprises a feedback assembly, a water tank top plate, a concentric-square-shaped plate, a telescopic concentric-square-shaped plate, a bottom plate, a telescopic water pipe, a water outlet pipe and a water pump, the water tank top plate, the hydraulic cylinder, the telescopic concentric-square-shaped plate and the bottom plate defin