在模糊物元分析的基础之上，与熵权法相结合，构建了用于评价地下水水质的模糊物元分析模型。在进行水质评价时，把水质的分类等级作为物元的事物 , 以它们的各项评价指标及其相应的模糊量值构造复合模糊物元,通过计算与理想模糊物元之间的海明贴近度,实现对水样水质的等级评价。采用熵权法确定权重，避免了人为因素的影响。应用此模型，对焦作市主城区中深层地下水进行了评价，结果表明：该模型应用于地下水水质评价，是合理可行的，且方法简单，便于操作。为水质综合评价提供了新的有效方法。

 On the basis of fuzzy matter-element analysis and in combination with entropy weights, a matter-element model was established to evaluate groundwater quality. Regarding the water quality level as the object of matter-element, and constructing the compound fuzzy matter-element through various evaluation indexes and corresponding fuzzy values, the water quality evaluation was achieved through calculating Hamming approach degree between the fuzzy matter-element and the standard fuzzy matter-element. Adopting the entropy method to determine weights, the man-made effect may be avoided. The model was applied to evaluate the middle-deep level groundwater quality of Jiaozuo main city area. The results show that applying the model to evaluate groundwater quality is reasonable and feasible and the approach is simple and convenient to operate. The paper provides a new effective method for the comprehensive evaluation of water quality.