Fruit tree pollination device

The utility model relates to a fruit tree pollination device. The fruit tree pollination device comprises a shell, a pollen cylinder and a driving part, a horizontal pollination pipe is fixed on the outer top surface of the shell, an opening in the right end of the pollination pipe is connected with a spray head, pollen is filled in the pollen barrel, and an opening in the upper end of the pollen barrel is fixedly connected with the inner top surface of the shell; the driving part comprises a piston plate and a U-shaped pipe, the piston plate is arranged in the shell on the lower side of the powder cylinder in a vertical sliding mode, the bottom face of the piston plate is connected with a pull rod with the lower end penetrating through a bottom plate of the shell, a spring is connected between the bottom face and the inner bottom of the shell, and an air storage cavity is formed in the shell between the piston plate and the powder cylinder; a one-way air inlet valve communicated with the air storage cavity i