The invention discloses a pantograph calibration device which comprises a horizontal base, a calibration insulating rod, a jack and a supporting frame, wherein the horizontal base is horizontally arranged; the horizontal base is located under a pressure detection device; the calibration insulating rod is vertically arranged; one end of the calibration insulating rod is fixed with the horizontal base while the other end is fixed with a tension meter; the tension meter is vertically arranged; the tension meter is connected with the pressure detection device; the jack is arranged under the horizontal base and is used for adjusting the height of the horizontal base; the supporting frame is used for loading the jack; the supporting frame is arranged on two rails. The pantograph calibration device can be used for promoting the calibration safety, shortening the calibration time and reducing the labor cost.