en توانبخشي Rehabilitation پژوهشي Original Research Article <strong>Objective</strong>: Autism spectrum disorder severely damages children&rsquo;s social skills, cognitive functions, and emotional self-regulation. This study aimed to determine the effectiveness of drama therapy on the social skills of children with high-functioning autism.<br> <strong>Methods</strong>: The research design was experimental with a pre-test, post-test and a control group. The statistical population included 120 children with high-functioning autism in special education centers in Isfahan City, Iran. For this purpose, 40 children with high-functioning autism disorder were randomly selected by purposive sampling method and using Morgan&rsquo;s table. Then, they were assigned to the experimental and control groups. The experimental group received a drama therapy program, and the control group was placed on a waiting list. The children&rsquo;s instructors completed the Matson social skills questionnaire at pre-test, post-test, and follow-up three months later.<br> <strong>Results</strong>: Analysis of the results using repeated measures analysis of variance showed that the drama therapy was effective on the participants&rsquo; social skills in the experimental group (P<0.05).<br> <strong>Conclusion</strong>: Drama therapy will improve their social skills and performance in this field. Therefore, this study&rsquo;s findings might be helpful as practical strategies for practitioners in the field of autism. Drama therapy, Social skills, Autism, Social action, Interaction 9 18 http://jpcp.uswr.ac.ir/browse.php?a_code=A-10-344-2&slc_lang=en&sid=1 Saeed Rahimi Pordanjani sr.psycho21@gmail.com 0000-0001-9906-2268 Yes Department of Human Sciences, Faculty of Psychology, Shahre Kord Branch, Islamic Azad University, Shahrekord, Iran.