Avoid eating too much animal fat, advocate a light diet and eat more fruits, vegetables, beans and bean products. Ginkgo tea: Ginkgo biloba leaves 5g, brewed with boiling water, without tea leaves, fresh Ginkgo biloba leaves are better, which can expand cardiovascular and cerebrovascular diseases and improve blood supply to cardiovascular and cerebrovascular diseases. Garlic has the functions of lowering blood fat, lowering blood pressure and strengthening brain. Because garlic contains allicin and vitamin B 1 to synthesize allicin, the effect of allicin is 2-4 times stronger than vitamin B 1. Therefore, if there is enough glucose and vitamin B 1, eating garlic can promote the conversion of glucose into more energy for the brain. Vinegar also has the function of softening blood vessels, which is also good for chronic cerebral blood supply deficiency.