Drinking water while eating can cause indigestion, avoid drinking water while eating, because this will lead to a decrease in the concentration of stomach acid, the intake of food can not be digested properly, which will lead to food residue in the stomach, causing flatulence performance. Food intake into the stomach, will be through the role of gastric acid to the natural decomposition of food, drinking too much water during meals will neutralize gastric acid, gastric acid concentration is reduced can not be decomposed inside the food ingredients, will affect the body’s digestion and absorption, after a long time may induce indigestion. In addition to helping the stomach digest food, stomach acid can also play a role in killing bacteria inside the food. After drinking water, the stomach acid is diluted and the concentration is reduced so that it cannot kill the bacteria inside the food, which will lead to the residual of various bacteria, which will not only form a dysbiosis, but also may lead to intestinal dysfunction.