The purpose of this study was to investigate the influence of mindfulness on the relation between adolescent peer support, family cohesion and cellular phone addictive use. For this purpose, 217 middle school students were asked to respond the survey. The survey consists of peer support scale, family cohesion and adaptability evaluations scales, mindfulness scale, cellular phones addictive use scale.First, the result of this study showed a significant negative association of peer support, family cohesion and family adaptability, mindfulness into cellular phone's addictive use. Second, the influences mindfulness of on cellular phone's addictive use was a significant positive association. Third, the mediation effects of mindfulness on relation between peer support and family cohesion and family adaptability were tested by structural equation modeling analysis. It was showed mediation of mindfulness between peer support and family cohesion and family adaptability, cellular phone's addictive use. In the conclusion, the significance of study and implication were discussed.