Patients with cerebral insufficiency should take the following precautions: 1) live a regular life, go to bed early and get up early; 2) eat a light diet, eat more vegetables such as celery and black fungus, avoid fatty, sweet and greasy food, do not drink strong tea and coffee, quit smoking and drinking; 3) take vasodilator drugs on time as prescribed by the doctor; 4) if cerebral insufficiency occurs, avoid deep head bowing, rotating and other movements, and do not change position suddenly to avoid symptoms such as transient syncope; 5) review regularly.