SMEs is an important part of the social economy, but the credit risk of SMEs is difficult to obtain due to the information asymmetry. This paper constructs a multilayer fuzzy com prehensive evaluation model to evaluate the credit risk of SMEs by introducing the fuzzy comprehensive method and designing the indicator system which includes the industry condition, the industry chain, the product information, the management level, the financial condition and the credit condition of a company. And the example analysis shows that the method pr...