Foreword Living in this hustle society, with clearer division and less and less communication, we have grown into a society full of loneliness and isolation. We had found that the” Intergenerational Program” of UNESCO (United Nations Educational, Scientific and Cultural Organization) can effectively increase connection. The purpose of this piece of work: “Form-Follow-Participate” (杏月參時) is meant to achieve the target of social interaction by utilizing interior design strategies and to serve the needs of users.