The purpose of this survey was to find out the actual conditions of living and housing needs of three generation family in the sharing apartment houses in Sang-Gye area. 1. General family type was one which is living with single parent (female), middle-aged couple and their children togeter. 2. Their main mobility to move in this houses was because of the special design of sharing apartment houses. 3. Most of actual dwelling activities of old parents and middle aged couple were performed in condition of space-integration except a few activities. 4. The "Space-compromise type" was proved as the most ideal type of three generation sharing house in our country. In which, private spaces (such as bed rooms and bath rooms) are planned to be used seperately, public spaces (such as living room and dining room) together. 5. It would be better if massionette type was taken in the case of more than 30 pyung (net area).net area).