The patient is always exhausting, may be caused by the following reasons: 1, may be due to constipation, many patients have more exhaust, are related to constipation, when the patient has constipation, the stool can not be discharged in time will be piled up in the intestinal tract, produce a lot of bacteria, the bacteria produce gas will be the case of exhaust. 2, but also with the patient’s intestines and stomach, when the patient’s intestinal and gastric functions decline After the patient’s gastrointestinal function declines, there will be a slowdown in gastrointestinal peristalsis, which will lead to the patient’s constant exhaust. 3, some patients with elevated blood glucose can also lead to the old exhaust, because after the elevation of blood glucose, the patient’s health is affected, and it is easy to have gastrointestinal discomfort, which leads to the decline of gastrointestinal function. To summarize, these are the reasons for the old exhaust, in addition, the patient ate the food containing gas, will also appear in the old exhaust situation.