There are two main reasons for dizziness after drinking: First, alcohol causes dilation of blood vessels in the brain, reduced blood flow to the brain, and dizziness can easily occur when there is insufficient blood supply to the brain. Second, alcohol can stimulate the blood vessels in the brain, manifesting as blood vessel spasms in the brain, which can also lead to headaches and dizziness. Dizziness after drinking, treatment is recommended as follows: First, a glass of honey lemon water or strong tea water can detoxify the alcohol, help the alcohol out of the body and reduce the symptoms of dizziness. Second, check the blood sugar to prevent the appearance of hypoglycemia after drunkenness. Hypoglycemia can also appear dizziness, and if the dizziness is caused by hypoglycemia after drunkenness, you can take a glass of brown sugar water or use glucose for treatment to relieve the symptoms of dizziness in patients. Third, usually try to reduce alcohol consumption.