The utility model provides a tool for pulling out locating pin, including extracting the screw rod, extract that the cover is equipped with supporting shoe and cavity jack on the screw rod, supporting shoe one end set up the cavity, the cavity jack connect the power supply, during the use, extract the one end of screw rod and be connected with waiting the locating pin of extracting, the mounting contact of supporting shoe and locating pin, and the cavity setting is in the locating pin top, extracting the screw rod other end, to pass through adjusting nut fixed with cavity jack and supporting shoe. The utility model discloses the equipment is simple, and convenient operation is laborsaving, can not cause the injury to equipment and personnel.