The utility model provides a climbing device of hydraulic climbing formwork system, is equipped with hanging device, track, step -by -step device, hydraulic power unit, bearing frame. Step -by -step device is equipped with a plurality of jack that climb, the case is climbed under and to the case that swashes, and the jack cylinder that climbs end is fixed with fixed fork ear, and the piston end isconnected with activity fork ear with the connection structure that lives, fixed fork ear, activity pitch the ear through the pivot respectively with the case that swashes, climb the case down and reliably be connected, it is fixed with displacement sensor on the jack cylinder to climb, oil inlet and the oil return opening of jack of climbing all install glib piece go up and with oil cylinder shaft to the syntropy, wherein the oil return opening is higher than the oil inlet, oil return chamber that the jack that climbs was received through time oil pipe to the oil return opening, total accusecenter is including motor, electric cabinet, oil tank, integrated valves, converter, pressure sensor, displacement sensor. Its advantage realizes one set of a plurality of climbing a little of pump station simultaneous control, and the bearing capacity is big, can carry out a plurality of templates simultaneously and climb, and the synchro control precision is high, and operating personnel is few, safe and reliable.