Import and export trade plays an important role in the GDP growth,which is an important factor that promotes the economic growth.If economy grows,it promotes the import and export trade.Their relations are both dialectical and correlated and if they develop well,they enter a good circulation.Based on the annual data of Guangxi-ASEAN trade balance and Guangxi’s GDP during the same period from1998to2004,the paper studies their locus and tendency by the use of computational econometrics method and the analysis of their correlation with the empirical result showing that there is a distinct correlative relationship between them.It also gives relevant explanation and puts forward several suggestions.