The United States is the largest apparel imports in the world and also China's major garment export market.China become the first U.S. major source of apparel imports by the virtue of the low labour costs, raw materials, and other sufficient advantages . But in recent years , the comparative advantages of China's clothing exports to the United States was weaken ,because a number of garment industry in some developing countries developed rapidly,.China's clothing exports have been under threat.The analysis of the U.S. apparel import market in the pattern key imports is particularly important to compare the source of competitiveness of the apparel industry .Through quantitative and qualitative analysis to the method of combining the major U.S. apparel imports countries: China, Mexico, India, Vietnam, Indonesia that the five countries to comparethe competitiveness of the apparel industry . In the use of quantitative comparative analysis of the market share of international trade index, the index shows that of the comparative advantages of these three indicators to measure, in comparison qualitative analysis of the use Porter's "Diamond model." By comparing that China's garment industry faces challenges, as the basis of China's garment industry to increase the competitiveness of countermeasures.
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