Pesticide applying device in spraying process of agricultural plant protection helicopter

The utility model discloses a pesticide application device in the spraying process of an agricultural plant protection helicopter, which relates to the technical field of agriculture and comprises a main body, sliding blocks arranged at equal intervals are fixedly connected to two sides of the middle of the top end of the main body, and limiting blocks arranged at equal intervals are fixedly connected to two sides of the top of the main body. When the pesticide applying device and the plant protection unmanned aerial vehicle are installed and fixed, firstly, a connecting block is clamped to the bottom of the plant protection unmanned aerial vehicle, meanwhile, movable blocks on the two sides are moved, the movable blocks slide in sliding blocks, limited sliding is conducted through clamping grooves and sliding grooves in the bottom of the plant protection unmanned aerial vehicle, and the movable blocks on the two sides are movably connected in a sleeved mode for fixing; and the limiting blocks limit the movab