Jeju Island has been isolated historically from the central government socially, economically and politically as it has own insularity of the closed space and resources. A few cultural aspects for survival have grown in these harsh environments. Especially, Jeju's unique community culture of cooperation at any time was taken place while it kept the family system for guaranteeing the personal self-regularity, so called Kwendang. But the conflicts were seen from 'Kwendang' culture while population inflowed increasingly into Jeju Island today. There is a need to provide political solutions for the social issues arisen from confronting with the central government.