The treatment of mild stenosis of coronary heart disease mainly includes general treatment, drug treatment or interventional therapy. 1. General treatment: For patients with mild stenosis of coronary artery disease, if there are no obvious clinical symptoms, firstly, they need to pay attention to rest, avoid overwork and strenuous exercise, adjust the dietary habits, mainly low-fat, light, easy-to-digest food, avoid smoking and alcohol, increase physical exercise and control weight. 2. Drug therapy: patients can take simvastatin, ezetimibe and other lipid-regulating drugs under the guidance of the doctor, and can also take aspirin, clopidogrel and other anti-platelet aggregation drugs as prescribed by the doctor. 3. Interventional therapy: If multiple vessels or branches of the coronary artery have stenosis, stent implantation can be used as appropriate according to the actual situation. Coronary heart disease patients need to be selected by the doctor according to the condition of the specific treatment program, it is recommended to follow the doctor’s instructions for treatment, in general, mild stenosis of the coronary arteries, in the control of the three high, smoking, obesity and other risk factors under the premise of oral medication for treatment.