The author holds that with the weakening of overall competition advantage, the U. S. now give more attention to security on it’s economy. And in fact, America has accelerated the process of industry transferring and technology diffussion in order to compete with Japan, and these behaviors would benefit the industry upgrading in Asia - Pacitic region. Meanwhile, the change of structure and form of trade in the area will reduce the trade friction The author holds that with the weakening of overall competition advantage, the US now give more attention to security on it’s economy. And in fact, America has accelerated the process of industry transferring and technology diffussion in order to compete with Japan, and these accidents benefit the industry upgrading in Asia - Pacitic region. Meanwhile, the change of structure and form of trade in the area will reduce the trade friction