The purpose of this study is to examine the actual condition of the downsizing the living unit in children's home, and to clarify issues of the working environment. The main findings are as follows:
1) Children's homes have adopted the downsizing the living unit, especially in 2000's.
2) The types of the living unit's plan are characterized by its composition of the entry, private and common rooms, and it is also related to the Children's home's historical development.
3) The management of the working environment in order to help staff's interrelationship is a key for considering the home's einvironmet.