Introduction.- Necessity of the research.- General situation of the Yangtze River Basin.- Characteristic and Variation Analysis of Water and Sediment in Yangtze River Basin.- Feasibility Study of Flood Resources Utilization in Yangtze River Basin.- Feasibility Study on Flood Resources Utilization of the Three Gorges Project.- Study on flood resources utilization and risk countermeasures in the Yangtze River Basin.- Study on the Floating of the Operating Water Level of the Three Gorges Project in Flood Season.- Study on Small Flood Dispatching Mode in the Three Gorges Project.- Study on early impoundment at the end of flood season for the Three Gorges Project.- Study on the Risk Measures of Flood Resources Utilization in the three Gorges Project.- Conclusions and Suggestions.