Abstract: In recent years,with the intensification of the global water crisis,reclaimed water, as a potential water resource, has received more and more attention. Based on the current situation of water resources,water pollution and reclaimed water reuse in Changsha Economic Development Zone,this paper analyzes the restrictive factors of reclaimed water reuse in Changsha Economic Development Zone,and quantitatively evaluates the development potential and benefits of reclaimed water reuse. The countermeasures and suggestions for the industrialization,standardization and large-scale construction of urban reclaimed water development and utilization are put forward from the aspects of engineering construction,technology and mechanism innovation,regulations and policy guarantees.

Key words: water resources, reclaimed water reuse, resource utilization