Japanese society after the Plaza Accord in 1985, accompanied by the rapid appreciation of the yen, the Foreign investment of Japanese companies are becoming increasingly warm. Therefore, in this context for the Japanese companies seek to reduce the cost of management of Japanese companies, for its important subject. Thus seek cheap and abundant labor, raw materials made and the market…and so on, as Japanese companies expanded outwards of,ets… Then Japanese companies to invest abroad and can be learned from the history of the development context, and then turned to the NIES, ASEAN4 to China in recent years for investment in important development areas. Then begin of the 1951,for a period of ten years, leading the development of industry of the early postwar period to the steel industry. Also created a domestic demand-led lwato boom. This is the height of Japan economy growing. And accompanied by the advent of the bubble economy in the 1980s,began a lost decade and half of the 1990s the Japanese economy, its industrial structure also showed a significant change. My studies is the domestic industrial structure developments and changes in Japanese postwar economic development of overseas investment. Focus in China as the main axis of the study. Besides, study China reform and opening up investment in the development process of Japanese companies in china with Japanese trade structure changes. Finally, history and development of the post-war Japanese enterprises overseas investment and chang in industrial structure in Japan and Japanese companies to invest in china instance-based research framework of the paper.