Objective: This study aimed to investigate the role of family communication patterns and attachment styles in predicting drug abuse among young people. Method: A descriptive/ correlational research method was used for the conduct of this study. The statistical population of this research included all students of University of Mohaghegh Ardabili in academic year 2016-17. From among this population, 380 participants were randomly selected through random clustering method and responded to the three questionnaires, namely Family Communication Patterns Questionnaire, Hazan and Shaver Adult Attachment Questionnaire, and Addiction Potential Scale (APS). The data were analyzed in SPSS-19. Results: The results showed that attachment styles and family communication patterns are correlated with addiction potential. Conclusion: Considering the role of the above variables in predicting addiction potential in young people, the findings of this study can be used in prevention and treatment programs of addiction.