The presence of luminal foci in young people is mainly caused by hypertension and diabetes mellitus, and may also be due to vasculitis, which can also be seen in vascular malformations, usually mainly in abnormal vascular network disease at the base of the brain. If the patient is prone to arterial intima damage when hypertensive, it can cause the tangible fraction of blood to collect in the vessel wall, which may cause atherosclerosis, which may easily cause luminal narrowing, stiffness of the vessel wall, and poor vascular elasticity, which may cause end vessel occlusion and can cause lacunar cerebral infarction. If the patient has a history of diabetes mellitus, the general patient has increased blood viscosity and slow blood flow, which may cause infarction. If a patient has any of these risk factors, active modulation should be given. If a patient has hypertension, oral irbesartan is generally used to lower blood pressure; metformin is generally preferred orally for patients with hyperglycemia. If the patient has a history of abnormal vascular network at the base of the brain, surgical treatment should be given if necessary.