Farting a lot and smelling bad every day may be caused by bad dietary habits, intestinal flora imbalance, gastrointestinal disorders, irritable bowel syndrome and other reasons. 1. Bad dietary habits: If you eat gas-producing, irritating, hard-to-digest, high-protein foods on a regular basis, it may lead to fermentation of food stored in the intestinal tract for too long, causing an increase in intestinal gas, which will manifest itself as farting and farting odor. 2. Intestinal flora imbalance: when the intestinal tract is infected by bacteria, it may lead to flora imbalance, especially after the increase of gas-producing bacteria, which may lead to farting and smelly symptoms. 3. Gastrointestinal diseases: when suffering from gastritis, enteritis, gastric ulcer, duodenal ulcer and other gastrointestinal diseases, it may also lead to indigestion, gastrointestinal dysfunction and other phenomena, which may cause farting and farting symptoms. 4. Irritable Bowel Syndrome: Irritable Bowel Syndrome may lead to constipation, which causes feces to remain in the intestines for a long period of time, generating a large amount of harmful gases and giving rise to the phenomenon of farting and farting odor. There are many reasons for farting a lot and smelling bad every day. If it occurs regularly, it is recommended to go to the hospital as soon as possible for relevant examinations to clarify the cause of the problem, and then treat the cause of the problem under the guidance of the doctor.