Mild stenosis is not a serious condition, but medications such as aspirin and atorvastatin should be taken as prescribed by the doctor to prevent the stenosis from progressing. Mild stenosis of the coronary arteries usually refers to the coronary arteries, coronary artery stenosis for the coronary blood flow is relatively small, will not lead to insufficient blood supply to the heart muscle, and will not affect the structure and function of the heart, so mild stenosis of the coronary arteries of the heart is not a more serious situation, and will not jeopardize the patient’s life. However, mild coronary artery stenosis should be emphasized and actively intervened to avoid its continuous progress and development into moderate or severe coronary artery stenosis, leading to coronary heart disease, or even myocardial infarction, which threatens the patient’s life. Mild coronary artery stenosis is generally due to atherosclerotic lesions in the blood vessels, so patients need to take long-term statin lipid-lowering drugs to reduce the level of LDL cholesterol, to control the process of atherosclerosis, in addition to the need for oral aspirin and other anti-platelet drugs to prevent thrombosis, the use of the above relevant medications need to consult with a doctor to follow doctor’s orders.