In recent years, Mainland China becomes the industrial workshop of the world. Its low labor cost reduces the production cost. However, the financial crisis induces different countries' government to transfer their trade strategy to adopt industry protection policy. Therefore, American and Europan Union focus the Asian low price dumping, which cause anti-dumping case to occur more frequently. Taiwan has scarce resources and trade is Taiwan's economy's life. Once Taiwaness companies are taxed for anti-dumping, then its industry development and the profit will come under serious influence. Therefore, this research will summarize serval Taiwanese anti-dumping cases, and carries on the analysis to find key factors. Finally, our research proposes countermeasure suggestions for Tawianese companies, industry and the government.