The utility model discloses a portable hydraulic pressure jacking equipment of self -discharging in pressure steel pipe hole, including running gear, frame, support slider, connecting rod, jacking cylinder and hydraulic power unit, the rack -mount is in running gear is last, jacking cylinder is vertical to be fixed in the frame, support slider with jacking cylinder's flexible end fixed connection, jacking cylinder with the hydraulic power unit intercommunication, two the frame is passed through the connecting rod is connected. The utility model relates to a portable hydraulic pressure jacking equipment of self -discharging in pressure steel pipe hole passes through the frame and running gear realizes the transportation function to pressure steel pipe, through jacking cylinder and support slider's cooperation, realizes facilitating the use to pressure steel pipe's the function of unloading, need not be equipped with the extra equipment of unloading.