Abstract:At present, the new technology revolution and industrial transformation are accelerately reshaping the international industrial division of labor. It is urgent to adhere to the basic principles of "open cooperation, green and low carbon, value co-creation, and codevelopment", promote open innovation and cooperation in key areas of the manufacturing industry, and improve the open innovation and development capability in the manufacturing industry. This study first summarizes the open innovation trends of global manufacturing industries. Second, it analyzes major countries' policies in promoting open innovation in the manufacturing industry. Third, the current situation and problems of China's manufacturing open innovation is demonstrated. Finally, this study puts forward the policy suggestions of China's manufacturing open innovation as strengthening the co-R&D system and capacity building and improving the manufacturing technology supply capacity, strengthening the co-design system and capacity building and enhancing the manufacturing market responsiveness, strengthening the co-production system and capacity building and enhancing the international competitiveness of the manufacturing industry, strengthening the co-service system and capacity building and leading the development direction of service-oriented manufacturing, and strengthening the codevelopment of ecosystem and environment construction and promoting the open and innovative development of the manufacturing industry.