The study has conducted a questionnaire with observational researches on two prefectures, Hokkaido and Aomori, to find out required utilizations of "Gangi", which was built in the public housing project, during winter and summer. From the analysis, functions of Gangi are arranged as follows: 1) Gangi has variously embraced several living environments throughout the year. 2) Gangi has positively improved healthy living environments of dwellers. Besides, it has shown the meaning of its existence. 3) Gangi has clearly introduced practical meanings of social common spaces with continuous approaches and secured movements.
