In 1970,China carry out economic reform policy, development export-oriented agriculture, because of having the advantage of low-cost labor and land resource, loosen economic control and attract foreign capital investment gradually. In 1980, Taiwan entrepreneur start to investment agriculture related industry in China, and to bring in technology improved seed. but reviews the home, because environmental consciousness, the factory moves gradually toward the Southeast Asian country and China.Comparatively speaking, our country competitive power has the drop tendency. Separately, Taiwan and China joined one after another in WTO about in 2002, affect product wish of our country farmer because possible the low price to rob the market. We discuss bilateral in international market sales situation, the export market comparison from the Taiwan ten main aquatic products, the result discovered that the Taiwan most aquatic products all substitute by China, the government must propose in accordance to the plan and achieves the industry to continue forever to manage.