Carotid artery stenosis is a disease in which the walls of the large arterial vessels in the neck become narrowed, and it occurs in people with a history of hypertension, diabetes mellitus, smoking, obesity, and poor control of blood lipids, and if the onset of the headache, dizziness, numbness of the limbs, and transient blindness occur, we must pay attention to the symptoms! 1, atherosclerosis It is the most important cause of carotid artery stenosis accounted for about 90%, it can not only cause carotid artery stenosis, and ultimately may also lead to arterial occlusion. 2, high blood pressure The rise of blood pressure will lead to the normal function of the arterial wall is affected, so it will make the carotid artery stenosis of the incidence of increased. 3, high blood fat Generally speaking, patients with high blood fat will not appear obvious abnormal symptoms or signs, but it will cause a series of serious diseases, and carotid artery stenosis is one of them. The above are a few common causes of carotid artery stenosis, carotid artery stenosis is more serious patients may also lead to stroke, cerebral infarction and other fatal disease hazards, carotid artery stenosis for the formation of different reasons, the use of different therapeutic guidance or direction of treatment, through high blood pressure, high blood sugar and other risk factors of control, can be prevented as early as possible carotid artery stenosis, once the diagnosis of the disease, we must be treated in a timely manner, timely control of risk factors. Once the disease is diagnosed, it must be treated in a timely manner, and the risk factors must be controlled in a timely manner.