Coronary angiography shows that the anterior descending branch stenosis of 70% to 80%, accompanied by angina symptoms, can be treated with drugs and surgery. 1. Drug therapy: coronary artery anterior descending branch stenosis of 70% to 80%, at any time there may be a sudden aggravation of the condition, resulting in the occurrence of myocardial infarction, regardless of whether the operation is required to comply with the doctor’s prescription of oral medication, the commonly used drugs such as antiplatelet aggregation drugs such as aspirin enteric-coated tablets, clopidogrel, tegretol; lipid-lowering drugs, such as simvastatin, risculetin, and so on; expansion of coronary arteries, such as isosorbide mononitrate and so on; if accompanied by If accompanied by coronary thrombosis, it is necessary to comply with the medical advice of oral dabigatran et al, warfarin and so on. 2. Surgery: If the anterior descending branch stenosis is 70% to 80%, and accompanied by angina symptoms, the condition may be more serious, if coronary angiography shows that the blood flow is slowed down or reduced, then it is recommended to carry out coronary stenting surgery; if combined with other branches of the disease, such as the left echogenic branch and the right coronary artery, it may require coronary artery bypass grafting surgery. If you feel that angina attacks frequently, each attack longer, it is recommended to go to the hospital as soon as possible, as soon as possible to determine the cause of the disease, according to the doctor’s instructions for targeted treatment, do not blindly take drugs, so as not to aggravate the condition.