Smelly farts all the time may be due to improper diet and other physiological reasons, but also may be related to chronic intestinal inflammation and other pathological reasons. 1. Physiological reasons: improper diet, eating more sweet potatoes, soy and other foods, there will be the phenomenon of smelly farts all the time, if there is no abdominal pain, diarrhea and other symptoms, we suggest that the patient to improve the diet can be. 2. Pathological reasons: may be due to chronic intestinal inflammation, such as chronic colitis, erosive gastritis, due to gastrointestinal inflammation, erosion, etc., can not be digested and absorbed food, smelly fart symptoms. If there are abnormal results of colonoscopy and other tests, it is recommended to consult a doctor in time to clarify the cause of the disease with the help of the doctor and carry out targeted treatment or therapy.