Yundong ship lock is located at the beginning point of Tongyang navigation channel which is one of main channels in Jiangsu province. The old lock is planned to be replaced by a greater new one. A physical model of 1：40 scale ratio is applied to study the effects of some management measures and engineering ones on water wave and flow. The results show that long valve opening time could lower the peak value of flow rate,therefore the water surface slope,water wave and water flow could be reduced. Plants revetment could cut down long wave energy effectively. Hollow caisson structure has positive effect on reducing impact force against the channel walls and the miter gate,and the longer of hollow caisson structure revetment is,the better effects it produces.