Purpose: The aim of present study is investigation the role of family functioning and generation gap in the relationship between parental controls style and addiction to social networks. Methodology: The present study is a descriptive one. Theoretical bases of the study were collected by reputable sites, books and related articles. The information and data for hypothesis testing were gathered by standard and a researcher-made questionnaire. Statistical society was all of male and female student of the second year of high schools in district 5 of Tehran (140 persons). After data collection, data analysis was performed using SPSS and PLS. In this study, Validity and reliability of the questionnaire was approved. Validity of the questionnaire was accepted by expert opinion of university and reliability of that was calculated by Cronbach's alpha and the value of that was 0.82. Findings: Results showed that family functioning and generation gap have significant roles in the relationship between parental controls style and addiction to social networks. Discussion: Therefore, it can be concluded that by improving family functioning and reducing the generation gap, better control of addiction to social networks can be created.
