The reasons for dizziness after lunch are as follows: first, the stomach needs more blood circulation to digest food after eating at noon, if the patient has arteriosclerosis or vascular malformation, the blood flow to the brain will be relatively reduced, due to the reduction of blood flow to the brain resulting in insufficient blood supply to brain cells, will be manifested as dizziness, dizziness, etc. It is recommended that patients drink more water and, if necessary, conduct relevant examinations of cerebrovascular. Secondly, dizziness after lunch is also seen in patients with hyperlipidemia and viscous blood, especially if they are obese and have been eating greasy food for a long time, which slows down the blood flow and affects the blood supply to the brain, so if necessary, patients are advised to take appropriate oral lipid-lowering drugs, while eating a light diet and reducing weight.