制造企业在确定供应商过程中,必须对供应商进行评价和选择,由于制造业的加工设备和加工工艺的复杂性,同时要确保供应商供货稳定和质量保证等多方面的因素,其评价指标体系必然有别于其它行业的评价指标.采用粗糙集属性约简的方法,对供应商评价选择指标进行约简分析,运用层次分析法对供应商进行评价选择. Manufacturing companies in the process of determining suppliers, suppliers must be evaluated and selected due to the complexity of manufacturing equipment and processing technology, while ensuring supplier stability and quality assurance, and many other factors, the evaluation The index system must be different from the evaluation index of other industries.Based on the method of attribute reduction of rough set, the supplier selection index is reduced and analyzed by AHP, and the supplier selection is evaluated.