You can drink water after exercise when your heart rate has stabilized. You need to replenish water in a timely manner after a lot of sweating, otherwise it will not only lead to fatigue and thermoregulatory disorders, but also cause the accumulation of acidic metabolic substances, which will lead to a decrease in athletic ability. When exercising, the most suitable drink is an alkaline drink containing less than 5% sugar and inorganic salts such as potassium, sodium, calcium and magnesium. You can also drink water during exercise, but you need to drink a small amount of water several times, each time the amount of water should not be more than 200ml, so as not to produce excessive burden and stimulation of the stomach, you can drink water every 15-20 minutes, or even half an hour, the main thing is that the amount of water should not be too large. You can also drink plain water after exercise to replenish the water lost during exercise. Drinking vegetable juice after exercise is also a good way to replenish water and other nutrients for the body, which is conducive to weight loss and detoxification.