The invention discloses a self-propelled intelligent fruit tree spraying vehicle which comprises a vehicle body, a vehicle driving system and a spraying system. The vehicle driving system and the spraying system are mounted on the vehicle body, the vehicle driving system comprises a vehicle driving pump and a vehicle driving motor, the spraying system comprises a spraying device, a steering gear and a chemical supplying device, the spraying device is arranged at the tail of the vehicle body and comprises a fan, sprayers and a fan motor, the sprayers are arranged at an air opening of the fan, the fan motor can drive the fan to work, the steering gear is mounted below the spraying device and comprises a swinging hydraulic cylinder, a lifting hydraulic cylinder, a turntable and a turntable motor, the swinging hydraulic cylinder, the lifting hydraulic cylinder and the turntable are sequentially mounted from top to bottom, and the turntable motor is mounted in the turntable and can drive the swinging hydraulic cylinder and the lifting hydraulic cylinder; the chemical supplying device comprises a chemical tank, an internal combustion engine and a chemical sucking pump which are mounted on the vehicle body, power can be provided by the internal combustion engine, and chemical can be delivered to the spraying device from the chemical tank by the chemical sucking pump. The self-propelled intelligent fruit tree spraying vehicle has the advantages that the self-propelled intelligent fruit tree spraying vehicle can be automatically controlled and is uniform and reasonable in chemical application, low in chemical usage and good in efficacy, and pollution due to the chemical can be reduced while pest control and sterilization are guaranteed.