Reclaimed water reuse is one of the technical methods of water saving, and it's the inevitable development trend of urban water saving work. In this paper, the purpose and significance of developing reclaimed water reuse is discussed from the core issue of water resources management. The viewpoints that carrying out centralized reclaimed water reuse is not suitable in water-ample urban and decentralized reclaimed water reuse should be vigorously promoted, is put forward. Taking example by Wuhan, water resources management, conservation of resources, benefit analysis and operability were analyzed specifically in this city. Some concrete opinions and suggestions are given for promoting dispersal reclaimed water reuse, it is of a certain theoretical and practical significance for government decision-making of this job.