Carotid artery stenosis is mainly caused by the formation of atherosclerotic plaque in the carotid artery, patients may have transient ischemic attack, ischemic stroke and other manifestations, according to its clinical manifestations can belong to the Chinese medicine chest paralysis (chest pain), stroke and other categories, the treatment should be beneficial to the vitality of qi and blood (tonifying qi and blood, so that the body of qi and blood is full of blood and blood circulation is smooth), and remove blood stasis to open up the network as the main. The disease can be treated with Chinese patent medicines such as Tong Wei Granules under the guidance of Chinese medicine practitioners. Tongxin Granules: composed of Salvia miltiorrhiza, Rhizoma Ligustici Chuanxiong and Pueraria Mirifica, it has the effect of activating blood circulation and clearing blood veins, and is suitable for ischemic cardiovascular and cerebral vascular diseases, arteriosclerosis, cerebral thrombosis, cerebral ischemia, coronary heart disease, angina pectoris, and other diseases. The adverse effects of this drug are not clear, menstruation and pregnant women should be cautious of using this product. If discomfort occurs, it is recommended to consult a doctor in a timely manner, by a traditional Chinese medicine practitioner to identify the evidence to guide the use of symptomatic medication, do not blindly use their own medication.