Often want to fart, bloating, dry mouth is mainly considered to be due to indigestion and other normal physiological reasons, but also may be chronic gastritis, gastrointestinal dysfunction and other pathological causes. 1. Physiological reasons: Such as eating a large amount of indigestible food, overeating, talking while eating, or eating faster, it may lead to air into the intestines, and with the acceleration of gastrointestinal peristalsis, these gases need to be discharged out of the body as well, which can cause abdominal distension, often want to fart, and dry mouth. 2. Pathologic causes: (1) Chronic gastritis: if you drink strong alcohol, strong tea, strong coffee and other irritants for a long time, it can destroy the protective barrier of gastric mucosa and gastritis occurs. Patients may have symptoms such as loss of appetite, abdominal distension, frequent desire to fart, and dry mouth. (2) Gastrointestinal dysfunction: After some patients have gastrointestinal dysfunction, the gastrointestinal defense system will be damaged, allowing more bacteria to enter into the intestinal tract, causing bacteria to overpropagate and produce excessive gas, which results in bloating, farting and dry mouth. Often want to fart, bloating, dry mouth, there are many other reasons, if abnormal symptoms, it is recommended to go to the hospital in a timely manner, under the guidance of the physician to actively cooperate with the relevant examination and treatment, so as not to delay the condition.