The Taiwanese agricultural policy is more and more important while facing to the impact on the freedom of trade and Internationalization. The competition is getting stronger especially Taiwan join the World Trade Organization. What is the strength, weakness, opportunity, and threat of Taiwan? It is necessary to diagnose and analyze the serious problems for the best solution. As the same as business industry, the researcher will figure out the ”niche” for agriculture through environment analysis. In the meanwhile, Taiwanese agriculture needs to breakthrough the disadvantages.