Abstract: The traditional water conservancy industry generally faces many problems such as high barriers to information sharing,incomplete planning and design,and poor service communication.In the context of the era changes brought about by new technologies such as the Internet of Things,big data,cloud computing,and the construction of “smart cities”,the Shaxian County Smart Water Information Platform was selected as an example to discuss the construction ideas and practical experience of “smart water conservancy”.The platform involved five subsystems,namely water conservancy map,water resource management system,sand mining supervision system,water conservancy project management system and water conservancy video management system.It integrated the completed mountain flood disaster warning system and river-chief management system.A supporting water data center was constructed,and a set of smart water standards was developed.The results showed that construction of the smart water conservancy information platform improved the information sharing and comprehensive application level of Shaxian Water Conservancy Bureau,effectively improved the level of water conservancy informatization construction in Shaxian County,and set a benchmark for county(district)water conservancy information construction in Fujian Province and even the whole country.