Goal: This study aimed to investigate the meditative role of early maladaptive schemas in relationship between attachment styles and coping styles among patients who referred to addiction abortion centers in Abhar. Method: Using multistage cluster sampling method, 234 addicts were selected as sample. The Attachment Styles Questionnaire (Hazen & Shaver, 1987), Folkman and Lazarus’s Coping Styles Questionnaire (1985), and Early Maladaptive Schemas Questionnaire (Yang, 1998) were used as research tools. Result: The findings showed that the mean of safe, avoidance, and ambivalent attachment styles was 2.90, 2.73, and 2.94, respectively. The mean of emotion-oriented and problem-oriented coping styles was 2.33 and 2.36, respectively. The mean of exclusion, self-regulation and impaired performance, other-orientation, inhibition, and inappropriate restrictions schemas was 3.09, 2.85, 3.28, 3.38, and 3.25, respectively. The findings also showed that there was positive and significant correlation (0.24) between early maladaptive schemas and attachment styles. The correlation coefficient of attachment styles and coping styles was calculated to be 0.18; this was significant. Also, there was a significant correlation between early maladaptive schemas and coping styles whith correlation coefficient of 0.3. Conclusion: The results of the analysis of the coefficients indicated that the identification of attachment styles and early maladaptive schemas and the use of coping styles can prevent the occurrence of narcotics.