You can't exercise until 24 hours after drinking. Because drunken exercise has the following hazards: 1, which affects the fitness effect. After drinking, alcohol needs to be metabolized in the liver, and the liver needs to decompose sugar to provide energy during exercise, so alcohol will inhibit the metabolic rate of glucose and cannot provide enough energy for exercise. 2, alcohol will dehydrate the human body, and exercise needs to consume a lot of water, which makes the dehydration of the body more serious and affects health. 3. After drinking, the balance and flexibility of human body decrease, which increases the risk of sports injury.