If you have a loud fart today, consider indigestion or eating too much gas-producing food, you can observe for a while, and if the symptoms persist and do not get better or worsen, go to the hospital for consultation. When the body indigestion, hoarded food in the stomach through fermentation to produce a large amount of gas, or eat too much gas-producing food, such as sweet potatoes, soy products and so on. In addition, if the intestinal flora imbalance, the number of gas-producing bacteria increases, will also lead to the intestinal tract to increase too much gas, when the intestinal tract collects a lot of gas, the pressure in the rectum is relatively large, and the anal opening is relatively tight, which will lead to the release of farts are very loud. Of course, gastrointestinal diseases such as irritable bowel syndrome and acute gastroenteritis cannot be ruled out. Just one fart is very loud can be ignored, you can temporarily observe the symptoms of change, if the symptoms continue and no improvement or even aggravation, it is recommended to go to the hospital for consultation, clear cause.