There are several situations in which a person has exhaustion: 1, problems with the digestive system, such as gastritis, enteritis, flatulence, etc. Diseases can affect the digestive capacity, which can lead to total exhaustion. This disease can also lead to physical fatigue, fever and other symptoms. 2, constipation, constipation is very common in real life, constipation will lead to a lot of feces in the stool, feces has a lot of bacteria, bacterial fermentation will produce a lot of gas, so it will lead to people always exhaust, and the exhaust is particularly smelly. 3, bad eating habits, eating too fast, a lot of air will be with the food into the stomach and intestines. If the intestinal flora imbalance, too many harmful bacteria, harmful bacteria will decompose things in the gastrointestinal tract, producing a lot of gas, resulting in people always exhaust. 4, like to eat food that is easy to produce gas, such as bean food, food containing starch, etc., food have gasification enzymes, this substance and gastric acid reaction will produce a lot of carbon dioxide, so it will lead to people always exhaust.