The existing quality and safety risk assessment methods for agricultural products are mostly the single factor evaluation. The valuation methods of other fields could provide new ideas for agricultural product risk assessment. The multi index evaluation methods, which are widely used in economic management field, can be applied to evaluate the quality of agricultural products. Due to the small sample size of agricultural products and the complexity of the relationship between agricultural products’ quality and environmental information, the grey forecasting model and correlation analysis methods are discussed in this paper. Moreover, according to the characteristics of different agricultural products to select appropriate auxiliary models can improve the risk assessment.