The utility model discloses a self-standing impact withstand voltage test device which is characterized in that the self-standing impact withstand voltage test device comprises a container, a top cover, a rear cover plate, a top cover hydraulic push rod, a hydraulic rod, an impact voltage generator body, a voltage divider and a track; the impulse voltage generator body and the voltage divider arehorizontally arranged in the container. The track is hinged to the bottom end of the impulse voltage generator body. The voltage divider is connected to the rail in a sliding manner; one side edge ofa top cover of the container is hinged to the side edge of the top of the container, the lower portion of a rear cover plate of the container is hinged to a bottom plate of the container, one end of the hydraulic rod is hinged to the inner side of the bottom plate of the container, and the other end of the hydraulic rod is hinged to a triangular support arranged in the middle of the rear cover plate. The utility model has the beneficial effects of compact structure and convenience in operation, greatly shortens the test period and improves the test efficiency.