Grey correlation analysis of influence factors of coal importation in China

According to the statistics in the past 11years,the author analyses the influence of GDP, foreign direct investment,investment in fixed assets of coal industry,Port infrastructure construction, annual coal production,coal price index,exchange rate,coal exportation and tariff on coal importation.To conclude that,the coal system of fixed investment,GDP,foreign direct investment and tariff are greater influence factors.The prospect for coal importation in China will continue to grow in the next few years.