The siphon segment of the internal carotid artery is part of the internal carotid artery and is a good site for atherosclerosis. Examination of calcification of the siphon segment of the artery suggests atherosclerosis and calcium salt deposition, which is not a very serious disease. With age, many people have siphon segment calcification. Patients with hypertension, high blood pressure and high blood glucose are prone to atherosclerosis, control blood pressure, blood glucose, blood lipids, do not eat fried, animal offal, fatty foods, should control salt intake, do more aerobic exercise, can take statin lipid-lowering drugs, aspirin enteric tablets, etc. Arterial siphon segment calcification has the potential to induce cerebrovascular disease. The possibility of cerebrovascular disease, should be actively treated, regular review.