Based on the characteristics of BOT financing mode, this paper discusses the application of AHP-SWOT method in BOT financing mode risk. SWOT analysis lacks the method of quantitative analysis, but considers the internal and external environment of the target object, and gives the best combination strategy. AHP method has the advantages of comprehensive analysis of the evaluation object. In this paper, SWOT and AHP are used to analyze the advantages, disadvantages, opportunities and threats of BOT financing model in order to analyze the risk of BOT project financing model , And then propose improvement measures.