The main reasons for frequent bloating and pain around the belly button include the following: 1. It may be a functional disease, including digestive malfunction and gastrointestinal dysfunction, which can cause intestinal distention and pain caused by dilated intestines. 2. It may be an organic lesion, including acute or chronic enteritis or incomplete intestinal obstruction, where patients experience abdominal pain and bloating, sometimes accompanied by significant nausea and vomiting. . Severe cases will stop anal exhaustion and defecation, resulting in complete intestinal obstruction.3. It may be caused by dietary factors, including the use of excessively cold, stimulating and spicy food, resulting in intestinal spasmodic pain, intestinal flatulence and abdominal pain. Frequent distension and pain around the belly button must be found in a regular hospital to find the specific cause and to carry out systematic and standardized treatment according to the cause.