Objectives: The purpose of this study was to determine the effectiveness of emotional regulation and coping therapy training on life style in adolescent at risk of drug abuse. Method: The present study was a quasi-experimental research with two experimental and one control groups. The statistical population of this study consisted of all 577 boy students in secondary high schools(the second period) in Kish Island, in 2017-18, and finally 45 students were selected based on entry criteria and randomly divided to 3 groups (emotional regulation training group, coping therapy training group and one control group). The research tools consisted of who quality of life questionnaire. Data were analyzed using covariance analysis. Results: The results showed that emotional regulation and coping therapy training programs had a positive effect on life style and these changes have been steady to the stage of follow-up. Conclusion: It is recommended to use emotion regulation and coping therapy programs to increase life style in adolescents
