Rapid spread of the internet has made our everyday life more convenient, however it has brought some problems along with it. Especially, undergraduate student are losing their social ability as they become absorbed in the internet game, act selfishly in the cyber space and lose interest in studying. As a result, they become isolated from their friends and experience difficulty in the relationship with their parents. In this paper, the influence factors of internet game addiction is investigated using the Analytic Hierarchy Process (AHP) and statistics techniques. This study is to define the influence an important factors of internet game addiction using a questionnaire to internet game player and expert group. It is believed that this study will be more receptive to results that include the priority weights of internet game addiction among the addiction group, non-addiction group and expert group.