Farting may be caused by excessive consumption of gas-producing food, constipation, intestinal flora imbalance, gastrointestinal disorders and so on. 1. Consuming too much gas-producing food: incorrect dietary structure, excessive production of food gas and indigestion can cause the above symptoms. 2. Constipation: When some patients suffer from constipation, they will have dry feces, laborious defecation, and spasmodic pain and falling sensation on the left side of the abdomen during defecation, accompanied by abdominal pain, abdominal distension, nausea and other symptoms. 3. Intestinal flora imbalance: there are probiotics and harmful bacteria in the human intestinal tract, under normal circumstances, probiotics are more than harmful bacteria, and at the same time, they can inhibit the growth of harmful bacteria, which can easily lead to intestinal flora imbalance, intestinal dysfunction, and excessive gas production, which can lead to small stomach bloating and farting. 4. Gastrointestinal diseases: when the patient’s small stomach bloating always fart, is caused by gastrointestinal diseases, a large amount of food stagnation in the intestinal tract, unable to digest the residue of food, in the role of the bacteria, and constantly in the intestinal tract for fermentation and decomposition, which releases a large amount of gas, the number of farting will also increase. It is recommended that the patient go to the hospital in time to clarify the pathogen and follow the doctor’s instructions for treatment.