Crawler-type pesticide spraying vehicle and method thereof

The invention discloses a crawler-type pesticide spraying vehicle. The crawler-type pesticide spraying vehicle comprises a crawler-type walking vehicle body, a vehicle frame, water tanks, water absorption guiding pipes, water pumps, water outlet guiding pipes and spraying units; the vehicle frame is of an up-and-down dual-layer structure with the I-shaped longitudinal section, and is horizontallyinstalled on a chassis of the crawler-type walking vehicle body; the multiple spraying units are installed on an upper platform of the vehicle frame, and the multiple water tanks are installed on a lower platform of the vehicle frame. The crawler-type pesticide spraying vehicle is simple in structure, perpendicular spraying heads are adopted in cooperation with water fetching rotating discs capable of rotating at high speed to enable sprayed medicine liquid to be evenly and transversely thrown away in a gyrate mode, and the defect that spraying of an unmanned aerial vehicle can be only carriedout downwards is effectiv