The carotid artery is a very important blood vessel in the human body, which is the main blood supply to connect the heart and the head, face and neck, and is the main blood supply channel to the brain. According to relevant statistics, more than 60% of cerebral infarction is caused by carotid stenosis, and serious cerebral infarction can lead to disability or even death. Therefore, carotid stenosis has become one of the “number one killers” that endanger people’s health in today’s society. In most cases, carotid artery stenosis is caused by atherosclerosis, where blood lipid deposits adhere to the inner wall of blood vessels, causing the carotid artery lining to gradually proliferate and degenerate, forming plaques that occupy a certain amount of carotid artery lumen space, resulting in blockage of carotid artery vessels. Some patients ask what to do about carotid artery vascular blockage and what medicine to take. Many people tend to think of taking medicine when they get sick, but in fact, not all diseases can be solved by taking medicine. The specific treatment, whether to take medicine or to take other treatment measures, depends on the degree of blockage of the carotid artery and the rate of stenosis, as well as the specific condition of the patient, which needs to be evaluated by the doctor. Generally, if the stenosis is less than 50% of mild stenosis, then it can be treated conservatively with medication, taking some anticoagulant and plaque stabilizing drugs, and regular review; while if the stenosis is more than 50% of moderate stenosis, or even more than 70% of severe stenosis, then surgical treatment should be taken when appropriate according to the specific symptoms and physical condition. Currently, carotid endarterectomy is an effective surgical procedure to treat carotid stenosis and prevent cerebral infarction, and is performed under a microscope to ensure safety. This procedure allows for the removal of the diseased intimal plaque causing the stenosis, completely restoring the lumen of the carotid artery and completing the desired blood flow reconstruction.