Detoxification is the process of expelling toxic and harmful substances from the body through feces, sweat and other means. Suddenly farting a lot and smelling bad may be detoxification, but it may also be the normal peristaltic movement of the stomach and intestines, causing gas to be released from the anus. The phenomenon of sudden excessive and smelly farts may be caused by the desire to defecate, or it may be caused by eating a lot of protein, greasy, cold or spicy stimulating foods, and foods that produce gas easily, such as beans or sweet potatoes, which can usually be relieved after adjusting the diet. If the symptom appears frequently or is accompanied by black stools or stools with pus and blood or mucus, patients are recommended to go to the gastroenterology department of a hospital for consultation and treatment of the disease. If there is a sudden fart with a lot of odor, it is recommended that the patient drink more honey water, which can effectively laxative and detoxifying effect. In addition, avoiding foods that are high in protein, too oily or too spicy and stimulating can also improve the symptoms of excessive and smelly farts in some people.