Farting is cool air suggests that it may be caused by indigestion and a cold abdomen. 1. Indigestion: Most of the time, the burden on the gastrointestinal tract is increased due to overeating and excessive intake of greasy food, which leads to slowing down of gastrointestinal peristalsis, causing the food to stay in the body for a long time, and more gas is produced under the action of bacteria, which leads to farting and bloating of the abdomen. 2. Cold abdomen: usually the abdomen is not warm or eat cold food leads to intestinal cold, which may cause gastrointestinal spasm, or gastrointestinal peristalsis accelerated, followed by farting is cool air, diarrhea and other symptoms. There may be other reasons for farting is cool air. It is recommended to avoid spicy, stimulating, cold food and eat a light diet, which can reduce the stimulation of the gastrointestinal tract. Also pay attention to warmth and protection. Immediately go to the hospital when the above symptoms are not relieved in a short period of time.