Old farting with cool air in the stomach may be caused by physiological factors such as diet, or pathological factors such as indigestion, gastroenteritis, gastrointestinal tumors, and so on. 1. Physiological factors: if the patient has recently eaten a lot of onions, beans and other gas-producing foods, or cold drinks and other cold foods, or there are eating loudly or laughing, eating into the wind and other bad dietary behavior, and the abdomen is cold, it may produce stimulation of the gastrointestinal tract, the stomach has a cool old fart feeling. 2. Pathological factors: mainly gastrointestinal diseases, such as dyspepsia, gastroenteritis, intestinal flora disorders, gastrointestinal tumors, etc., may lead to gastrointestinal dysfunction, food in the intestinal tract stays longer, the decomposition of the gas produced by the increase, so that the patient feels the stomach with cool air old fart. At this time, patients may also be accompanied by abdominal pain and bloating, nausea and vomiting, loss of appetite and other symptoms. If the patient has a long-term or recurrent feeling of farting in the stomach, it is recommended to consult a doctor in time to identify the cause of the disease and carry out targeted treatment to avoid delaying the condition.