The purpose of this study is to find out the effective planning guidelines of elderly housing fur the aged people living with their sons or daughters. To investigate the actual conditions and the problems of housing environments, two hundred and six old people in Gwangiu city, aged over sixty and living with their sons and daughters, were interviewed individually and they provided the useful answers to the questions. The houses for three generations need to have the proper degree of privacy fur each family member, by arranging rooms for their own independent living space while securing the sufficient common space. Therefore, independent and safe living environments are to be made for the elderly and the choice of various types be made according to their own demands. It is also necessary to guarantee the continuation of inhabitation by establishing health care systems and life support services.