Water resources sustainable development is an important part of sustainable development.As an important region of land programming and comprehensive exploiting,many serious eco environmental problems have occurred in Songnen Basin because of uneven distribution and long period unreasonable development of water resources.Now problems of water resources have become the bottleneck factor of economy and construction in Songnen Basin.In order to achieve sustainable development of water resources in Songnen Basin,this paper takes groundwater system theory as principle,and water resources sustainable utilization as goal,the distribution characteristics of water resources were demonstrated first,and then the developing potential of water resources was analyzed on the basis of water resources statistic information and prediction of water resources demand,and finally some countermeasures for water resources sustainable development in the 21st century was presented.