The Purpose of this study is to prove that the internet addiction should be considered with various aspects of Juvenile living environment, and to mutually develop school social welfare consulting and related program by verifying the influence of adolescents' living environment to internet addiction The subject of this study is 213 male and female adolescents in the junior and senior high school students in Sang-Ju province, for their living environments, and gained following results regarding the factors which influence internet addiction. First, the less self esteem and the higher self efficacy in cyberspace are in inverse proportion with internet addiction. It means adolescents who have lower self esteem and higher self - efficacy in cyberspace prefer cyberspace, and if they don't effort to find their self identity in real world, instead of finding immediate satisfaction in cyberspace, they fall into internet addiction Second, among the factors of the living environment of Juveniles, brothers and sisters and their friends are in inverse proportion with internet addiction. Third, among the factors of the living environment of Juveniles, the self efficacy in cyberspace mediated the influence of the amount of internet use on the internet addiction disposition of adolescents. Fourth, among variables of school environment. friendship and relationship with teacher factor turned out to be the important factors for Disturbance of Adaptive Functions. According to the above result. we can find that the internet addiction should be understood mutually with adolescents' living environments, and the necessity of the development of School Social Welfare Consultation or related programs as solutions for negative factors of internet. In conclusion, due to the most of studies on adolescents' internet addiction were focused on single factor, more concrete and subdivided researches which are focused on ecological perspective are required to take place.