首先建立了鲜奶供应商的效用函数,再根据委托-代理模型分析得到生产商的检测准确度、收购价格及政府溯源系统会对原料供应商掺假行为产生道德风险。由此提出我国奶制品行业重构生产、加工、销售利益联结机制,形成合理的原料奶定价方式,形成健康高效的食品供应链。 Firstly, the utility function of the milk supplier is established. Then the accuracy of the testing is obtained according to the principal-agent model. The purchase price and government traceability system will cause moral hazard to the raw material supplier’s adulteration. It is proposed that the milk product industry in our country reconstruct the mechanism of production, processing and sales of interest, and form a reasonable pricing mode of raw milk to form a healthy and efficient food supply chain.