Aimed at the problems of influence of Fuxin Xinqiu surface mine dump leaching water on groundwater environmental quality near Yujiagou,17wells in the study area were sampled for water quality analysis. Fuzzy clustering analysis method was used to evaluate the groundwater quality of the area.Then BP neural network was used to train and forecast.The influence of hidden layer node on prediction accuracy was also studied. The conclusion can determine the scope of groundwater pollution in the region and has a certain reference value of engineering application.