Walking is beneficial to myocardial ischemia. For patients with coronary artery disease, it can increase the collateral circulation of coronary arteries, which can improve the tolerance of cardiomyocytes to lack of oxygen and improve the clinical symptoms of patients, such as chest tightness, panic, shortness of breath, and even pain in the precordial area can be improved, especially for the prognosis of patients, walking is actually a simple cardiopulmonary rehabilitation training. Patients are usually advised to perform cardiopulmonary rehab after coronary stenting and coronary artery bypass grafting, which includes walking, and even after evaluation patients can jog, which is beneficial for patients’ prognosis, improving coronary blood flow and increasing coronary collateral circulation.