Some patients may experience dizziness after eating too much, mainly because after eating, the gastrointestinal tract needs to be digested and absorbed, and blood is redistributed, and a large amount of blood flows into the gastrointestinal tract for digestion and absorption of food, while cerebral perfusion in the brain gradually decreases. Many people will experience dizziness. At this time, it is recommended that patients try to avoid using brain activities and reduce exercise, and can lie still and drink more water to increase cerebral perfusion and blood circulation. Patients are advised not to try to eat too much food, they can eat less and eat more. If there is clear intracranial vascular stenosis, active treatment is recommended to avoid serious vascular occlusion after which leads to large infarcts, etc.