Recently always farting and very smelly may be due to chronic colitis, poor diet, indigestion and so on. 1. Chronic colitis: chronic inflammation of the colon will affect the microecology of the intestinal flora, and the activity of some gas-producing bacteria can lead to a lot of farting and smelly flavor. 2. Poor diet: excessive consumption of soy products, or easy to cause intestinal flatulence foods such as sweet potatoes, potatoes, onions, etc., will increase the frequency of farting, some people fart will be very smelly. 3. Indigestion: Indigestion patients have problems with the digestive system’s ability to process food, usually accompanied by belching and acid reflux, nausea and vomiting, postprandial fullness and bloating and other symptoms. There may be other reasons why you have been farting so much lately, so you can go to the hospital for a checkup to make sure you’re okay.