Dynamic Econometric Analysis of Supply Chain Relationship Between China and Five Continents Based on Time Series Regression Model

In response to the overall national security concept and the guiding ideology of and supply chain security proposed by President Xi, based on the authoritative data of the National Bureau of Statistics in the past 19 years from 2000 to 2018, the long-term dependence trend of the supply chain relationship between China and each continent is analyzed through the time series trend chart and time series regression model of China's trade relationship with the five continents. And the short-term abnormal phenomenon, and further explain the contribution value of the influencing variable factors between China and the supply chain relationship of the supply chain of various continents through the variance decomposition.