This study is a plan to inspect what smart-phone addiction has an effect on school resilience in elementary school student. For this reason||| 360 students who are in possession of smart-phone and at school from fourth to sixth year student are surveyed in Busan and materials for study are gathered. The descriptive statistics||| correlation analysis and hierarchical regression analysis are applied to material analysis by using SPSS 18.0. The result of the study is following. First||| in examining the mean difference of the school resilience according to smart-phone addiction level||| it is known that school interesting and the observance of the school norm in the smart-phone addicted group is lower than non addicted group and that group's study attitude is not right. Second||| it is know that smart-phone addiction has the negative(-) effect on entire school resilience including of school interest||| study attitude and observance of the norm. Third||| in examining results of the Hierarchical Regression Analysis it is know that smart-phone addiction has the highest effect on school resilience and the next is the level of the school record||| the distinction of sex and domestic economy level in the order named. The results of this study show the connotation of study||| the discussion of following study and limitation of study.