Background & objectives: Evidences suggest that relaxation therapy may improve psychological outcomes in heart patients. We evaluated the effect of progressive muscular relaxation 0PMR) training in decreasing anxiety and improving quality of life among anxious patients after coronary artery bypass graft surgery (CABG). Method: This study was an open uncontrolled trial. The sample included !10 anxious patients referred to the cardiac rehabilitation clinic of Tehran Heart Center, Tehran, Iran, during six weeks after coronary artery bypass graft (CABG). Patients were allocated to receive both exercise training and lifestyle education plus relaxation therapy (relaxation group; n=55) or only exercise training beside lifestyle education (control group or the recipient of usual care group; n=55). Duration of the relaxation therapy was 6 wk and in the case of usual care was 8 wk. Both the groups were followed up one month after completion of intervention. Anxiety and quality of life in the two treatment groups were compared.