In accordance with the geographic location of DaLu Hu Reservoir, water quantity and quality, appropriately and economically take it as the third ideal water resource; consequently solve the city water supply problems.

Through the summary of the urban flood control planning work in Hunan Province the paper approaches to some problems in the urban flood control standards, the drainage in the urban districts, the encounter of inland rivers and outland rivers, flood control planning and river comprehensive treatment etc.

Plant resources and Medical-value of Potentilla L.plants in the Area of Shuicheng;