In the latter half of 19th century, large factory was set up in Japan for the first time. A few factory owners or managers tried to control the activities of the hundreds of workers in all the enterprises. For more a century, workers and their employers intentionally or unintentionally have taken the opposite as enemy on purpose; in the shipyards, factories and steelworks, the Japanese managers and workers have set up and reconstructed the new social relations in the industry reform for many times. The opportune moment for the industry development, the measurement of the government department and the strategic decision of the development of business, etc. are most important but most perplexing. The attitude and behavior of the workers combining with all the factors together push the development of the labor relations to a specially-characterized direction. In the later period of 1950s, observers started to call their research result as Japanese system of employment. in this book, the author makes description to the course of evolution and development in a century