In order to explore the relationship of Hunan social economic development and water pollution,this paper selected the social and economic development,influence factors of water environment and water environmental benefits as analysis variables from the angle of wastewater discharge. And then,it studied relationship of Hunan social economic development and water pollution from 1998 to 2012 through curve fitting and comparative analysis among variables. The result showed that there were different degrees of relevance between social economic development and water pollution. In the period between ...