The invention discloses a caliper repairing clamp, which relates to the technical field of calipers and comprises a machine body, wherein a polishing disc is arranged inside the machine body, a protective cover is arranged on the outer surface of the polishing disc, a moving table is arranged below the machine body, a polishing table is arranged above the moving table, a fixed table is fixedly connected to the upper surface of the polishing table, a first bearing is fixedly embedded inside the machine body, a rotating handle is arranged below the moving table, and a first threaded rod is fixedly connected to the upper surface of the rotating handle.