[Objective] To select different evaluation methods for evaluating groundwater water quality of Fenghuang Town in Southern Shaanxi Province, and to provide a scientific basis for the further development of soil and water conservation work. [Methods] Based on dry season water quality monitoring data of Fenghuang Town in October 2015, selecting total hardness and sulphate etc. elven water quality evaluation indexes, respectively, using the single index evaluation method, the comprehensive index evaluation method, regular and modified Nemerow pollution index method and fuzzy comprehensive evaluation method were used to evaluate groundwater quality.[Results] This paper comprehensively introduced the application process of each evaluation method. The five kinds of methods used in evaluating the water quality were the similar. But through the analysis of contrast, regular, modified Nemerow index method and fuzzy comprehensive evaluation method water quality evaluation have good applicability about water evaluation in the Fenghuang Town. [Conclusion] Fuzzy comprehensive evaluation results are more reasonable and reliable, which can evaluate groundwater water quality of Fenghuang Town more accurately.