This paper primarily deals with the optimization method of product configuration in an enterprise with mass customization strategy based on customers’needs. Firstly , the paper introduced some concept of mass cus2 tomization , the meaning and idea of the optimization of product configuration. Secondly , the paper introduced the relevant concept and method of QFD , which is an important tool of analyzing the customers’needs , and mend it in some field. According to QFD analysis result , the paper finally expound the process of optimizing the product con2 figuration by using the TOPSIS method.