The Zhejiang present foreign trade development mainly concentrates in the work crowded good industry, for example holds the important position textile industry and the manufacturing industry in the Zhejiang foreign trade, however such industry cannot continue development. Specially manufacturing industry, because mainly concentrates in the production downstream, the profit is very thin, therefore also easy to fall into the comparison superiority trap. At present, Zhejiang was quite big a part of Manufacturing firm already to start to enlarge has the proprietary intellectual property rights product and high-end product research development dynamics, some attempts with German, France's some advanced Manufacturing firm carried out the interactive type cooperation. However, the Zhejiang manufacturing industry must realize as specific can have a long way to go as the qualitative leap. This article through Japan to manufacturing industry protection, to leading industry choice and development review, with to international protectionism theory introduction, thus conducts the research to the Zhejiang manufacturing industry international competitiveness.