Spiral plane drum is equipped with four-edge cutter blades, which are non-resharpen, supper stiff and convenient of replacing. Feed mouth to use the reserve pressure roller to prevent the plate in the processing work rebound. The height of the sanding roller is shown by the scale, the lifting precision can be accurated to 0.01mm. The use of the keyboard press boots before planning it can solve the problem which a number of board are too wide and too narrow to be planed at the same time, production efficiency has been greatly improved