It is not recommended to drink water immediately after a meal, you can drink water about half an hour to an hour after a meal. Proper drinking water after meals can lubricate the stomach and intestines, speed up the peristalsis of the gastrointestinal tract, replenish water and promote the metabolism of the body. If you drink water immediately after a meal will dilute gastric juice, which is not conducive to food digestion, increase the burden on the stomach, affecting the digestion and absorption of food. Especially after eating some pasta, immediately drink water will produce abdominal fullness and other discomfort. Half an hour to an hour after the meal part of the food has been digested and absorbed, you can drink a glass of warm water in moderation, but should not drink excessively. The daily water requirement of adults is about 2,500 ml, through the diet of three meals a day can generally obtain about 1,000 ml of water, in addition to the need to drink water to supplement. But we should be careful not to drink too much water at a time, so as not to dilute the stomach acid in excess, and increase the burden on the kidneys.