针对电子商务环境下供应链的信息风险评价问题,从信息不确定性、信息传递和委托代理关系3个方面分析供应链信息风险的来源,建立电子商务环境下供应链的信息风险评估指标体系,用集对分析方法对电子商务环境下供应链的信息风险进行模糊评价,较好地解决了供应链的信息风险评价问题. According to the information risk evaluation of supply chain under e-commerce environment, this paper analyzes the sources of supply chain information risk from three aspects of information uncertainty, information transmission and agency relationship, and establishes the information risk assessment index system of supply chain in e-commerce environment. The set pair analysis method is used to evaluate the information risk of supply chain in e-commerce environment, and the problem of information risk assessment in supply chain is solved well.