ObjectiveTo explore the effect of outpatient cardiac rehabilitation on 40 patients with coronary artery disease (CAD) by evaluating heart rate recovery (HRR).Methods 40 CAD patients,31 males, 9 females, were performed by Effraim walk exercise program for 6 weeks and evaluated with method of heart rate recovery (H RR).ResultsThere were the significant differences in resting heart rate, peak heart rate achieved, and HRR after cardiac rehabilit ation.Conclusions Cardiac rehabilitation can impro ve HRR of patients with coronary artery disease.