This study is to reveal the multi-generations' cohabitation and housing conditions are necessary for each generations to take over the homelike interchange as maintaining the excessive self-support. The subjects of this survey were 151 men and women over 60 years and older in Mokpo. The survey revealed that most or the people owned their own homes, and in many cases that the parents bought the home. There are many cases in which parents have been living with their own homes, and in many cases that the parents bought the home. There are many cases in which parents have been living with their children's families, since their children got married, and there many people who think that cohabitation is natural. In the aspect of living, the families normally eat together but there is a separation in economy and entertainment. There are many renovation and remodeling of a house to adjust the situation of three generations' cohabitation.About 70% of people experience problems with cohabitation. In particular, many cases involve the