Shuizhibei is located at Pingqiao Street on the west side of Zhenming Road, Haishu District, Ningbo City. Its north side is Drum Tower and south side is Moon Lake. Shui Ze Stele was built in Song Baoyou (1253 1258). It was renewed in Ming and Qing dynasties. Now most of the stone pavilions were built in Qingdaoguang. In 1999, after being rebuilt, Pingqiao River was restored to connect with Yuehu River system. Shuizhibei uses the principle of level water to realize the purpose of observing the disaster situation and unified dispatching of the people's conditions. It is the only example in the ancient urban water resources relics of our country. It is of special significance to study the history of water resources development and the rare physical examples of urban waterlogging and flood control projects.