Objective: The aim of the present study was to identify and classify the factors of social integration based on reducing risky behaviors of young men who have recovered from addiction. Method: The method of the present study was a descriptive survey of correlation type. The study sample consisted of 384 young men aged 20 to 30 who had recovered from addiction and who had referred to the Harm Reduction Treatment and Rehabilitation Center in Tehran. They were selected using a multi-stage cluster random sampling method. To analyze the factors of social integration based on reducing risky behaviors of young men who have recovered from addiction and classify each of the obtained factors, the ISM interpretive structural model was used. Also, to examine the relationships between variables, identify and classify the factors, confirmatory factor analysis, a modeling technique using Smart PLS3 software, was used. Findings: The results of data analysis show that 15 categories were identified. The identified categories include family support, social acceptance, economic empowerment, access to psychological services, physical health support, life skills training, participation in cultural and social activities, support and participation of non-governmental organizations, sustainable housing facilities, vocational and technical training, creating a sense of identity and personal value, government support programs, rehabilitation and reintegration facilities, support and self-help groups, regular monitoring and follow-up. Conclusion: Social integration is one of the most important programs through which it is possible to control the situation, provide emotional and instrumental support to young boys who have recovered from addiction, and as a result, reduce social harm and risky behaviors.