Seru production system is an innovation in Japanese manufacture. However, until now almost reports about seru production system are from Japan and be not well known in the world. In this paper we make a comprehensive report to totally investigate Japanese seru production system. We collecte all publications about seru production system that published in past decade, including books, journals, newspapers and websites. Over 276 factory cases are picked up from the publication materials. We also select 194 key words from the title of the articles that can be considered to describe the feature of seru production system well. Then a keyword-factory matrix can be made. By using this matrix we can make a clustering analysis based on a S-F scheme to describe systematically what be the seru production system.