A chest strap is recommended after minimally invasive bypass surgery. Minimally invasive bypass surgery is a method commonly used by many patients with coronary artery disease, is the use of their own veins or arteries, one end of the connection to the arteries and coronary artery lesions distal to the coronary arteries, thus bypassing the narrowed coronary arteries part of the bypass, the purpose is to restore the blood supply of ischemic myocardium to achieve the therapeutic purpose. The incision chosen for minimally invasive bypass surgery is a small left chest incision or a small left axillary incision, which results in a smaller incision with less bleeding and fewer complications compared to open bypass surgery. In order to avoid incorrect coughing after surgery, uneven force of arms, get up, lie down and sleep when the action of the protection, it is recommended to wear a chest strap for about a week after the operation, to limit the amplitude of thoracic activity, play a role in protecting the chest wound is conducive to recovery. It is recommended to go to the regular hospital for treatment, under the guidance of the doctor for the correct use of chest belt, so as not to operate improperly to play the opposite role.