Crawler drive, strong climbing ability, can be applied to mountains, hills, DAMS and other complex terrain, truly realize the safe working state of human-vehicle separation, using the same remote control of plant protection UAV, can realize long-distance operation, different types of tools for different terrain selection. Load rack can be added to realize agricultural product transportation operation in the field. Especially in the orchard use, growing period for weeding use, harvest as a fruit carrier,truly achieve a machine multi-purpose.