Remote control car for spraying liquid to plants

The invention provides a remote control car for spraying liquid to plants. The remote control car comprises at least three walking wheels and supporting legs, a car carriage body and a spraying device, wherein at least one walking wheel is a driving wheel; the spraying device comprises a water tank, a water pump, a transverse atomizing connecting rod and a plurality of atomizing heads fixed on the connecting rod, which are fixed on the car carriage body; the remote control car is further provided with a microcomputer control system of the water pump and a traction motor and a remote control signal acquisition and emission system, and a rechargeable power supply; each supporting rod has a structure capable of being adjusted up and down and the connecting rod has a width adjusting structure; and a remote controller is externally arranged. According to the spraying car provided by the invention, the height of the car carriage body, the space between the walking wheels and the spraying width can be adjusted, so that the requirements of spraying foliage fertilizers or pesticides to different crops in different fields can be met; the remote control car has a simple structure and is convenient to use, and the interference and damage degree on the crops is extremely low; and the remote control car is driven by power and remotely controlled so that energy conservation and environmental friendliness are realized.