2020年6月美國國際貿易委員會(United States International Trade Commission, ITC)以及美國商務部(U.S. Department of Commerce, DOC)正式啟動對泰國、南韓、台灣及越南輸美的乘用車胎及輕卡車胎展開反傾銷調查,並於2021年5月公布反傾銷終裁結果,台灣輪胎公司被處以較高的反傾銷稅率;本研究將探討此次美國啟動反傾銷調查及台灣被裁定高稅率之原因,並找尋各輪胎公司受影響程度不同之差異點,最後給予輪胎產業適點建議,營運方面:積極了解反傾銷制度、建立反傾銷預警機制、發展多元化產品及提高產品附加價值;在策略布局方面:利用本研究所分析反傾銷調查的原因,收集相關數據,提前做好策略布局規劃,以期避開貿易摩擦。;This study will explore the U.S. launch anti-dumping investigation and Taiwan was found guilty of the reasons of the high tax rate, and find the tire companies affected degree of differences, finally gives Suggestions for optimum point tire industry, operating aspects: actively understand the anti-dumping system, set up anti-dumping early warning mechanism, the development of diversified products and improve product added value; In terms of strategic layout: this study is used to analyze the causes of anti-dumping investigation, collect relevant data, and make strategic layout planning in advance, in order to avoid trade friction.