Based on the data of Wuhan city's GDP,actually used foreign capital and export- import total from1986 to 2014,this paper used the Co- integration Test,Error Correction Model and Granger Causality Test to make an empirical analysis of the impact of the foreign investment and trade on economic growth of Wuhan city.The result showed that the export- import trade promoted the economic growth of Wuhan city even if the short-term effect wsa not obvious. The foreign investment was attracted by the economic grow of Wuhan city,but it could not distinctly boost the economic growth. Then,the paper illust...