In this thesis, the sales teams of large enterprises are chosen as the research object and the performance appraisal index system is built. The system takes the orders and clients of sales teams as output index, and takes the number of people and the total cost as the input index. Meanwhile, a kind of new data envelopment analysis(DEA)/analytic hierarchy process(AHP) method is applied to conduct specific performance appraisal on a sales team so as to s...