Left artery stenosis usually need to take drugs, surgery and other ways of treatment, the specific treatment mode patients can go to the regular hospital, under the guidance of the doctor to choose the appropriate way for their own medical treatment. 1. Drugs: If the degree of carotid artery stenosis is relatively mild and the symptoms are also relatively mild, it can usually be treated by taking drugs, such as aspirin enteric-coated tablets, atorvastatin calcium tablets and other medications. 2. Surgery: carotid artery stenosis, if the degree of stenosis is more serious, and has seriously affected the patient’s normal life, you need to pass the carotid artery surgery can be through the interventional method, the first carotid artery balloon dilatation, and then implanted carotid artery stenting, but also can be very good open carotid artery lumen, carotid stenosis surgery, the gold standard of the carotid artery endarterectomy. The gold standard for carotid artery stenosis surgery is carotid endarterectomy. Specific treatment needs to be carried out under the guidance of a specialist.