The subject for this study was middle school students recognized and the purpose is to investigate the influence that
depression and self-esteem mediated from families of the students have on. For solving these topics, 677 students (male
and female) living in Busan were selected by stratified random sampling method and were asked to fill out a
questionnaire. Tools used for measurement are dysfunctional family index, internet addiction index, self-esteem index
and depression index. In short, the results derived from this study are as followed. Firstly, the result for correlation
analysis showed that there is a positive correlation between dysfunctional families and internet addiction and a negative
correlation between self-esteem. Depression showed a positive correlation with internet addiction but a negative
correlation with self-esteem. Secondly, the empirical test between dysfunctional families, depression, self-esteem and
internet addiction showed that dysfunctional families and depression is a significant predictor for internet addiction.
However, self-esteem was not a significant predictor for internet addiction. The conclusions driven from these results
are as followed. Internet addiction of middle school students are influenced by dysfunctional families and depression.
Dysfunctional families in particular have direct influences on internet addiction and dysfunctional families can lead to
depression which acts as a medium that influences internet addiction.