There is no fixed how often it is normal to fart, but you may fart once a day for 1-2 hours. Farting is a common and normal physiological phenomenon, usually 1-2 hours a day may fart. However, if the time between farts is less than 10 minutes per day and the number of farts is more than 10 times per day, it should be noticed. It may be that the intestinal flora is out of balance and the digestive ability decreases, giving one flatulence, and the gas in the body becomes more frequent, and the number of farts naturally becomes more frequent. Normally, if you eat foods that tend to produce gas farts will also be more, such as meat, soy and dairy products, farting more often. When constipation, farts will also increase significantly, because when the feces stays in the intestines for too long, after repeated absorption, a lot of gas will be produced, and farts will become more frequent, but the number of farts decreases when the intestines are completely obstructed. If there are few farts every day, sometimes for a day or a few days, there is no farting and no bowel movement, and you are prone to bloating and abdominal pain, it may be a case of intestinal obstruction, etc., and it is necessary to improve the relevant examination.