The invention discloses intelligent remote-controlled four-wheel-drive plant protection machinery, and relates to the technical field of agricultural machineries. The intelligent remote-controlled four-wheel-drive plant protection machinery comprises a vehicle frame, wheels, a spraying system, a control system and batteries. The intelligent remote-controlled four-wheel-drive plant protection machinery also comprises driving motors, wheel brackets and a pump motor, wherein the driving motors can be brushless gear motors or center motors, and are separately mounted on each of the wheels or each of the wheel brackets; the control system is connected with the driving motors and the pump motor; the batteries comprise motor batteries and a pump battery, wherein the motor batteries are separately arranged on the corresponding wheel bracket or the vehicle frame, and used for supplying electricity for the corresponding driving motors; the pump battery is arranged on the vehicle frame, and used for supplying electricity for the pump motor; and the rotating speed of each of the wheels is controlled by the corresponding driving motor which is controlled by a driving motor controller, so that starting, straight going, steering and stopping are realized. The intelligent remote-controlled four-wheel-drive plant protection machinery disclosed by the invention not only can be used for plant protection, but also can be applied for farming operations including fertilizing, sowing and the like. According to the intelligent remote-controlled four-wheel-drive machinery disclosed by the invention, the application range is wide, the agricultural production cost is reduced, the efficiency is improved, and profits are increased.