Exercise process and after exercise if sweating more, water loss is very obvious, you need to immediately hydrate, but you can wait a few minutes, and then drink water after the heart rate slowly stabilized. Drinking water also has to be careful, a drink of water should not be too large, do not drink water too quickly, too hard, which will lead to increased burden on the gastrointestinal and heart. It is best in the process of exercise, or every 20-30 minutes on a small amount of water, each time you drink about 150-200mL can be, a small amount of water, not only to replenish the body due to sweating loss of water, but also to reduce the stimulation of the gastrointestinal. If you drink a lot of water at once, it will lead to gastric prolapse and gastrointestinal discomfort.