Abstract: Xinglong shiplock adopted a short gallery emptying system,which belongs to one of the mid-high head shiplocks in the arrangement of the water delivery system.For its large scale and huge water volume discharge in short time,strict hydraulic indexes are required.As the water inlet of water convey system is arranged in the forward direction of the shiplock,the water filling and emptying arrangement gives impacts on shiplift operation.Key hydraulic problems such as vessel berthing conditions are studied through Xinglong Lock 1∶30 integral model.The water filling and emptying arrangement satisfying vessel berthing is found,which provides the scientific basis for Xinglong shiplock design,and can provide references for the design of other short gallery emptying systems.