The causes of farting can be caused by physiological factors such as improper diet or excessive gas ingestion, as well as pathological factors such as gastrointestinal dysfunction and imbalance of intestinal flora. 1. Physiological factors: (1) Eating too much gas-producing food. For example, soybean products such as tofu and bean curd, starch-rich vegetables such as sweet potatoes and potatoes, and carbonated beverages such as Coke and Sprite can cause excessive gas emission. (2) Eating too much cool air. Such as eating too fast, talking while eating and other bad eating habits can also cause excessive exhaust. 2. Pathological factors: (1) Gastrointestinal dysfunction. Gastrointestinal infections, irritable bowel syndrome and other gastrointestinal dysfunction caused by patients, due to the slowing of gastrointestinal peristalsis, food in the stomach and intestines for a long time accumulation in the bacterial decomposition of the role of fermentation and the production of more gas and triggered by excessive exhaust and other indigestion performance. (2) Imbalance of intestinal flora. Imbalance of intestinal flora patients due to excessive intestinal harmful bacteria, gastrointestinal production of harmful gases increase, may also appear excessive exhaust symptoms. If prolonged excessive gas affects your life, please consult a doctor in time to clarify the cause of the disease and give appropriate symptomatic treatment in order to avoid delaying the disease.