Taiwan and China have become members of World of Trade Organization. Thus, Taiwan and China open the domestic maricet of agriculture step by step. Because of opening market and lower tariff it is easy for foreign agricultural products importing to China and Taiwan. The orignal products have a sharp competition with foreign products in Taiwan and China However, the international trading of liberty has a wonderful opportunity for every country exporting their products. In the past Taiwan was famous in Oolong tea wiuich was made by high quality and unique tech. It has not been crushed by any shock. In the contrary, it is sold to everywhere in the world and it has a very high degree of competitive comparing with other agricultural products. Along with the economic development in Mainland China the economy is growing at the rate of least 7% every yeat Because of China citizen income increasing the high quality agricultural product of demand rises. Especially the cities along the coaster area such as Shanghai and Guangzhou have the most development potential for the export markets. Therefore they have selected as the target markets. Most people in Mainland China had considered Taiwan mountain tea as supreme quality product As the government slowiy open i.q and allow limited China tourist to Taiwan, mountain tea has becoming a superior valuable product that these tourists have to bring home. Therefore, it is a must to draft a perfect marketing strategy for marketing of Taiwan tea in the China region. In addition to inlroduction of the supply chain of Taiwan tea industty in this ailicle, it also targets at Lu-Gu Oolong tea as major topic and describes its strength, wealmess, and analysis competitive advantage. Moreovei it conducts analysis via the interviewa with professionals in thisindustry. The objective of this research is to understand Taiwan Oolong tea industry market and it marketing conditions. Lu-Gu Oolong tea has been selected for this study, it expoils potential and marketing ladies in Mainland China. And make policy and suggestion for government agricultural department or related department for their strategic decision or reference so as to provide Taiwan farmers a practical contribution.