The invention relates to a high-efficiency cotton picker head, a plurality of supporting frames are arranged around one end of a hard pipe material, a cotton picking claw assembly is arranged on each supporting frame, a sliding slot is arranged at the axial position of each cotton picking claw corresponding to the hard pipe material, a slide block is placed in each sliding slot, the slide blocks are connected to the mouth of a hard pipe through springs, external power is transmitted to the mutually linked cotton picking claw assemblies through a gear box, the cotton picking claw assemblies simultaneously and relatively rotate at the mouth of the hard pipe material to pick cotton approaching the cotton picking claw assemblies, and the picked cotton is output from the other end of the hard pipe material.