改革开放以来,青岛对外贸易发展飞快,本文根据青岛1985—2014年的统计资料,从青岛口岸进出口贸易额角度出发,利用单位根检验、协整检验以及Granger因果关系检验尝试对青岛口岸进出口贸易与经济增长关系进行分析。结果显示:青岛口岸进出口总额与经济增长存在着Granger因果关系。进出口贸易增长对青岛经济增长有显著的促进用。 Since the reform and opening up, the rapid development of foreign trade in Qingdao, this article based on the statistical data of Qingdao from 1985 to 2014, from the perspective of import and export trade in Qingdao Port, the use of unit root test, cointegration test and Granger causality test Qingdao Port Import and Export The relationship between trade and economic growth is analyzed. The results show that there is a Granger causality between the total volume of import and export in Qingdao Port and economic growth. The growth of import and export trade has obviously promoted the economic growth of Qingdao.