<![CDATA[ABSTRACTThe United States-China trade war is a big trade war especially about product’s import tariff from each country started from 2017 and the peak of this trade war is happened when US decide 25% tariff to China on 6 July 2018 and then China apply the same tariff to US.This study aims to know about how is the influence of this export import tariff event to the wealth of the shareholders ( using abnormal return variable ) and stock’s liquidity ( using trading volume activity variable ) in Indonesia especially for stocks which is registered in LQ45. The method to analysis data in this study is descriptive statistic, normality test and paired sample t-test if data distribution is normal and Wilcoxon signed rank test if data distribution is not normal. 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