The loud bowel sounds may be due to dietary factors, chronic enteritis or intestinal obstruction as well as diseases such as irritable bowel syndrome, all of which may lead to increased bowel sounds. 1. Dietary factors: If the patient has recently eaten dry and hard food, or eaten a large amount of food, it may lead to indigestion, which may lead to increased bowel sounds. 2. Chronic enteritis: If the patient has a history of chronic enteritis, it can easily lead to increased bowel sounds, accompanied by abdominal pain, diarrhea, abdominal distension. 3. Intestinal obstruction: in the early stage of intestinal obstruction, due to gastrointestinal tract dysfunction, decreased peristalsis, food stagnation and fermentation in the intestines, increased gas production, which will easily lead to increased bowel sounds. 4. Irritable bowel syndrome: Irritable bowel syndrome patients, intestinal dysfunction, can also lead to increased bowel sounds, but also easy to diarrhea, often after defecation will be relieved. Of course, the bowel sounds may also be caused by other reasons, it is recommended that patients go to the hospital as soon as possible to find out the cause of the disease, under the guidance of the doctor for treatment.