This study was designed to search the effect of aerobic exercise on cardiac rehabilitation and coronary risk factors. Totally 29 male who voluntarily participated in this study, had revascular operation and they do not have a regular exercise habit, they also use same kind of medicise related with heart disease. Their mean age was 48.9 + 6.7 years. The subjects were divided into two groups as Experiment Group (EG) and Control Group (CG) randomly. T he information about diet program throughout study was given verbally. The pre-test and Post-testmodel was applied in this study. During 12 weeks, the subjects participated in exercise with the intesity of 50 – 60 % according to Standard Karvonen Formula, trained 3 days in a week. The values collected from EG and CG were compared between and within the groud by using dependent and independent “ t ” test in SPSS for Windows packet program at 0.05 and 0.01 significance level. At the end of the properly done and well planned exercise program for 12 weeks, the results indicated that body weight, body fat %, body mass indeks (BMI) and fasting blood glucose score were significantly different (P < 0.01) and waist circumference, total cholesterol (TC), low density lipoprotein cholesterol (LDL-C) and triglyceride values were singificantly different at p < 0.05 level. These differences were in favor of experiment group.