How long you can eat after exercise depends on the amount of exercise an individual is doing. If it is a light exercise, usually half an hour later you can eat properly; if it is a high-intensity exercise, it is usually recommended to eat after 1 hour. There is no uniform standard for how long it takes to eat after exercise, depending on the amount of exercise performed by the individual. If you are doing light exercise, you can usually eat a small amount of food after half an hour of exercise. If you are doing a strenuous exercise, due to the exercise blood will be supplied to the muscles of the limbs, the gastrointestinal blood is relatively small, so it is recommended not to eat within 1 hour, so as not to increase the burden on the gastrointestinal tract, resulting in indigestion. 1 hour later you can eat. The body usually consumes more water when people exercise, so it is important to pay attention to replenish water after exercise, which is conducive to good health.