Housing complexes constructed after the World War Ⅱ have been old and its regeneration is a crucial issue in Japan. Consideration to the surrounding landscape and community management is more important in the regeneration of housing complex in urban areas compared with it in suburbs. Therefore, we have to regard regeneration of urban housing complexes as social issues as well as technological issues. The main field of the study is Horikawa housing complex in Kyoto, the oldest RC structure housing complex with shops managed by public sector. Based on results of our existing researches, we find out the contemporary value of SI (Skelton and Infill) housing and apply it to the regeneration of the old housing complex. As the results, we clarified technological and social issues for realization of it through the method of action research and showed the systems of regeneration of public urban housing complex with community management