The present invention discloses a pneumatic cotton picker, comprising a cotton picker body, a cotton storage bin and a movable roller, wherein the cotton storage bin is arranged on the top of the cotton picker body, an electric
air pump is arranged at the rear end of the cotton storage bin, an electric fan is connected to the bottom of the electric
air pump, a filter is arranged at the left end of the cotton storage bin, a controller is arranged on the right side of the cotton storage bin, a cotton suction
pipe is connected to the right side of the cotton storage bin, a
handle is arranged at the front end of the cotton suction
pipe, an electric switch is arranged on the side of the
handle, a suction
nozzle is arranged at the outer end of the
handle, a transverse slide rail is arranged on the side of the cotton picker body, a supporting leg is connected and distributed at the bottom of the transverse slide rail, a longitudinal slide rail is slidably connected to the bottom of the supporting leg, and a longitudinal adjustment motor is connected to the upper end of the longitudinal slide rail. The pneumatic cotton picker can manually hand-hold pneumatic cotton picking, reduce labor costs, improve work efficiency, and realize convenient, accurate and efficient operation.