In 2018, the President of the US, Trump, proposed raising high tariff on China imports, which causes US-China trade war and has influenced global supply chain since then. The purpose of this research is to examine the influence of China-US Trade War on Taiwan economy. By using regression analysis, the effects of tariff change between the US and China on Taiwan GDP and output of 10 industries from 1990 to 2017 were analyzed. The results show that wood and footwear industries are significant.