The Digital Twin Smart Water Management Platform of Meixiang, in accordance with the "demand-driven, application-first, digital empowerment, enhancement of capacity" overall requirements of the Ministry of Water Resources, takes the "digital scenarios, intelligent simulation, accurate decision-making" as a path, makes full use of digital twins, cloud computing, big data, 5G, IOT, AI and other advanced technologies, and focuses on the forecast, pre-caution, flood simulation and contingency plan ("four pres") capacity system, thus empowering the flood control, water resources scheduling, water conservancy project safety operation and other "2 + N" smart water conservancy operating scenarios, and promoting the high-quality development of water conservancy in the new stage.