Cerebral blood supply insufficiency is mainly manifested as dizziness and a feeling of feet stepping on cotton, most middle-aged and elderly patients have this experience, dietary advice to minimize the intake of saturated fatty acids. Pork, fatty meat, lard, including foie gras, duck liver, pig liver and other livers, as well as pig brain, which are usually eaten, are rich in saturated fatty acids. It is recommended to consume more unsaturated fatty acid foods, such as hemp oil, olive oil, sesame oil, and vegetable oils normally used for cooking, and minimize the use of animal oils, mainly vegetable oils. Eat more fish, such as deep-sea fish, and animal proteins that contain less saturated fatty acids, and eat more plant-based proteins, such as tofu, dried tofu, and other legumes made from soybeans in China. Appropriate exercise, such as practicing tai chi, dancing, and participating in more social activities, can also reduce the symptoms of insufficient blood supply to the cerebral arteries. After the patient determines whether there is cerebral arterial insufficiency, if there is cerebral stenosis that cannot be relieved by food alone, it is recommended to go to a specialist hospital for intervention.