The utility model provides a graphite paper grinding device which the technical essential is: comprises a workbench, the protection casing, the pneumatic cylinder, two rollers of polishing, two fixation clamps and spring, pneumatic cylinder and spring are close to both ends respectively and locate on the workstation, the middle part of workstation is located in the activity of protection casing, on polish that to locate the protecting crust through first connecting axle internal for the both ends of roller, polishing down, to locate the protecting crust through the second connecting axle internal for the both ends of roller, the both ends face of protection casing is improved level and has been offered banding entry, two fixation clamps are located two respectively and are gone into the adorae, the top of the piston rod of pneumatic cylinder is connected with first fixed plate, first fixation clamp is located on the first fixed plate, on the backup pad on locating the workstation was fixed to the one end of spring, the second fixed plate was connected to the other end, on the second fixed plate is located to the second fixation clamp, the second fixed plate slides and locates on the supporting bench. The utility model discloses can polish to graphite paper voluntarily, the graphite cuttings that still can produce polishing collects and recycles.