Always feel the head blinding headache, mainly due to chronic ischemia of the brain, the patient feels that the head is not awake, drowsy, heavy. Commonly found in middle-aged people, the main reason is due to atherosclerosis of the cerebral blood vessels, the blood supply to the brain is reduced. The blood flow of the brain is 800-1000 ml per minute, and when it is less than 20% of this value, the patient will experience dizziness and headache, and will also show plain memory loss and forgetfulness. It is recommended that the patient often measure the blood lipid and blood viscosity, not to smoke and drink alcohol, and do not eat spicy and stimulating food, to maintain the elasticity of blood vessels.