中文摘要：

为了研究农产品供应链的稳定性，以猪肉供应链系统为例，采集月度数据对猪肉供应链进行实证分析，讨论玉米、仔猪、生猪和猪肉价格之间的均衡关系，揭示了各个价格对供应链稳定性的不同影响，为政府保证供应链稳定性提供了依据。

英文摘要：

In order to study the stability of the agricultural products supply chain,the article takes the pork supply chain system as example,collect monthly data on the pork supply chain for the empirical analysis,then discussing the equilibrium relationship among the price of corn,piglet,hog and pork.So it is shown that the four prices have different influences on the supply chain and it provides the basis for the government to ensure the stability of the supply chain.