Old farting may be the manifestation of gastrointestinal dysfunction, intestinal infection, ulcerative colitis and other diseases. 1. Gastrointestinal dysfunction: at this time, there may be a dysbiosis in the intestinal tract, excessive gas-producing bacteria, thus causing gastrointestinal flatulence and gastrointestinal dysfunction, resulting in excessive exhaust. 2. Intestinal infection: if the patient has an intestinal infection, it will cause intestinal inflammation leading to increased intestinal peristalsis, resulting in excessive exhaust. 3. Ulcerative colitis: this disease is chronic, intestinal congestion leads to increased intestinal peristalsis, excessive farting is accompanied by pus and blood stools. Old farting may also have other pathological reasons, it is recommended to go to the hospital in time, improve the examination to clarify the cause of the disease, under the guidance of the doctor to give targeted treatment or treatment.