Precise pesticide applying machine capable of aiming at target automatically

The utility model relates to a precise pesticide applying machine capable of aiming at a target automatically. The precise pesticide applying machine comprises a traveling device, a pesticide applying device is arranged at the rear end on the upper portion of the traveling device, an ultrasonic detecting device is arranged at the front end on the upper portion of the traveling device, and an electromagnetic valve on a pesticide applying device pipeline is connected with an embedded operation platform. The ultrasonic detecting device mainly comprises an ultrasonic detector, and detecting signals of the ultrasonic detector are in output connection with the embedded operation platform. The ultrasonic detecting device can also comprise a pesticide applying signal detecting control device which comprises the electromagnetic valve, a speed sensor, a flow sensor, a pressure sensor and an electric ball valve. The embedded operation platform integrates signals of all sensors to control opening and closing of the electromagnetic valve. The precise pesticide applying machine can automatically detect if a fruit tree exists in a place ahead and can aim at the target and apply pesticide automatically according to the shape of the fruit tree, and therefore use rate of pesticide liquid is improved, damage of chemical pesticide on personal safety of applying staff is reduced, and pollution of the chemical pesticide on environment is reduced.