Walking device of pesticide spraying machine

The utility model provides a walking device of a pesticide spraying machine, which belongs to the technical field of walking devices. According to the utility model, a frame body comprises a plurality of longitudinal brackets, wherein the longitudinal brackets are connected with each other by transverse devices; heights of the bottoms of the transverse devices are lower than, equal to or higher than those of crops; and when the positions of the transverse devices are lower than the heights of the crops, the positions of the transverse devices are subject to a requirement that the crops are not blown down. The frame body comprises three longitudinal brackets, which are respectively a left side bracket, a right side bracket and a middle bracket; the left side bracket and the right side bracket are positioned on the external side and the middle bracket is positioned in the middle; a space crossing the crops is formed between the two adjacent longitudinal brackets; and wheels are mounted on the left side bracket