This report intends to extract the direction of the residential environment improvement by regarding change degree of autonomy and public participation of the mentally handicapped person to group living. Questionnaire is composed of 14-item action about autonomy and 12-item action about public participation, within the daily life action. Subjects are the 49 persons by the interview questionnaire. The result improves the degree of autonomy of people of about the half by the transition. However, the degree of public participation dose not change.