Carotid vascular ultrasound normal carotid artery vascular wall thickness is 1~2mm, intima and intermedia thickness are less than 1.0mm, bifurcation is less than 1.2mm, the internal diameter of the common carotid, internal carotid and external carotid arteries are 6~7.5mm, 5~6mm and 4.5~5.5mm respectively. Abnormalities in cervical vascular ultrasound values mainly indicate thickening of the intima-media of the blood vessel wall, the presence of plaque and narrowing of the lumen of the vessel, which can lead to insufficient blood supply to the brain, cerebral ischemia, cerebral infarction, etc. If the plaque ruptures, a blood clot can be formed. If the plaque ruptures, blood clots can form, which can lead to death in severe cases. Current research shows that the thickening of the intima-media of the neck blood vessel wall and the narrowing of the lumen have a great relationship with atherosclerosis, and diabetes mellitus, hypertension, and hyperlipidemia are the risk factors for the emergence of atherosclerosis, so blood glucose, blood pressure, and blood lipids should be well controlled in daily life. General treatment mainly includes medication and surgery, atorvastatin and other drugs can be used under the guidance of a physician to lower blood lipids or oral aspirin and other drugs to prevent thrombosis, and in severe cases, carotid endarterectomy or implantation of stents can be used for treatment. Daily monitoring of blood glucose, blood pressure, blood lipids, etc., to achieve a balanced diet, to avoid excessive intake of calories, regular carotid vascular color ultrasound, early prevention, early detection, early treatment, medication should be rationally applied in accordance with medical advice.