Background: The burnout syndrome is a significant problem in Nursing. Therefore psychotherapy interventions can be helpful in this occupational group. The purpose of this study was to examine the efficacy of Group Acceptance and Commitment Therapy (ACT)-Based Training on Burnout in Nurses.

Materials and Methods: Thirty Nurses Imam Sajjad (AS) Tehran police participated in this study and were placed in two groups of experiment and control, 15 each. Methods of clinical trial. After the two components of burnout and experiential avoidance were assessed by relevant questionnaire. Then, intervention therapy consisted of 8 sessions of one hour and half was carried out for the experimental group only. All participants completed the Questionnaires as the pre-test, post-test and the follow up stage after a 3 months interval. Data was analyzed through ANOVA with repeated measures

Results: The results showed that Acceptance and Commitment Therapy, was significantly reduced the rate of burnout and experiential avoidance, compared with the control group (P < 0/05).

Conclusion: These results shows that acceptance and commitment therapy will be effective on decreasing in reducing burnout and experiential avoidance in nurses.