Frequent farting with lots of gas in the stomach may be caused by improper diet, or it may be caused by Helicobacter pylori infection, lactose intolerance and other diseases. 1. Improper diet: If you eat a lot of food that is easy to produce gas such as soybeans, sweet potatoes, etc., it will produce a lot of gas in the intestinal tract when it is decomposed by bacteria, and then it will easily cause abdominal distension, resulting in a lot of farts, which is a normal physiological phenomenon. 2. Helicobacter pylori infection: Helicobacter pylori can be transmitted through oral and fecal-oral transmission between people. Most of the patients are asymptomatic. With further development of the disease, patients may experience abdominal bloating, acid reflux, abdominal pain and other discomforts, so there will be a lot of gas in the stomach often farting. 3. Lactose intolerance: The occurrence of this disease is related to the congenital reduction of lactase gene expression, and may also be caused by various infectious diseases, radiotherapy, inflammatory bowel disease and other acquired factors. The main symptom is that after eating dairy products such as milk the patient develops abdominal distension, hyperactive bowel sounds, diarrhea, etc., which can be manifested as frequent farting with lots of gas in the stomach. There are many reasons for frequent farting, so if diet is ruled out, you should go to the hospital to get a clear picture of the cause of the problem.