This paper studies the current situation of Jiangxi water conservancy video monitoring system construction.The problems such as the integration of existing resources，the integration of new sites，the limitation of application scenarios are discussed.Building video cloud platform with new development concept，the key technologies of video cloud platform construction are studied.Effectively integrate the video resources of water conservancy departments at all levels，with the characteristic application of video cloud service cooperation and sharing.And the future development direction of big data aided operation and maintenance and artificial intelligence aided decision-making are described.