<正>Supplier selection is one of the most important phases in supply chain management. The system of evaluation indices for supplier selection was put forward based on automobile manufacturing enterprise. At the same time, the multi-level model of TOPSIS, which is based on entropy weight, was constructed. The subjectivity which lies in ascertaining factors’ weights in lower hierarchy was avoided in this model. So the evaluation result is more objective than other evaluation methods. There is much reference value to decision making for managers. The improved model was applied in supplier selection in some automobile manufacturing enterprise. The evaluation result indicates that this method be more reasonable and easier to grasp than other methods. So it is easier to popularize this evaluation method in enterprises.