The object of main enumeration is TOMONOURA, a port town represents the scene of SETONAIKAI. Furthermore, the aging rate has reached to 38% and solitude elderly people form 5.3% of population (3% of national average). The purpose of this investigation is to solve the structure of the community in TOMONOURA, how the community and the people living in TOMONOURA supporting the elderly people with dementia and the elderly people need requiring care. The results are described below. 1. The area as a community had been continued, it can be said that the soil in which the informal care network is made to form had already cultivated. 2. The impossible range on a life extension which does not try not to be and whose defence is possible is sphere which can correspond. 3. The role with a small-scale care The results are described below. 1. The area as a community had been continued, it can be said that the soil in which the informal care network is made to form had already cultivated. 2. The impossible range on a life extension which does not try not to be and whose defence is possible is sphere which can correspond. 3. The role which a small-scale care home as a catalyst of network formation is played. Although it was difficult to support a home life of elderly people, The home was concerned with the area through "small-scale" formal care offer, and the role which digs up the "cooperation nature" which exists in the area potentially also came only by service which "it is small-scale" provides sure enough. 4.The care network in TOMONOURA has been built by formation interpenetration related. Because small-scale care home can play a role effectively, and by regionality's being easy to be continued on the other hand inheriting regionality.
