Some people in daily life will experience dizziness when drinking alcohol, the common reasons are as follows: 1, drinking alcohol concentration content is high, the absorption into the blood concentration is large. 2, fasting drinking, alcohol through the gastric mucosa absorption faster, circulation to the brain caused by dizziness. 3, individuals have poor metabolic capacity for alcohol. 4, the presence of underlying diseases, such as cerebral atherosclerosis, usually a small amount of alcohol can play a vasodilator The effect can improve circulation and prevent arteriosclerosis. If dizziness occurs after drinking small amounts of alcohol regularly, it is recommended to eat easy-to-digest food before drinking to protect the gastric mucosa and delay alcohol absorption, while cerebrovascular problems cannot be ruled out. Patients can go to the hospital for physical examination to check blood sugar, blood lipids, blood pressure, electrocardiogram, neck vascular ultrasound, and Doppler examination to know whether there is insufficient cerebral blood supply.