There are many causes of abdominal distension and pain around the navel. Commonly, it is considered to be caused by intestinal spasm, enteritis, intussusception, intestinal flora imbalance and other diseases. 1. Intestinal spasm: hunger and other causes lead to parasympathetic excitation, caused by a transient muscle spasm of the intestinal wall, the patient will usually suddenly appear around the umbilicus abdominal pain, but also can be accompanied by vomiting, abdominal distension and other symptoms. 2. Enteritis: Inflammatory infection of the intestinal tract, due to the stimulation of inflammatory factors, part of the intestinal segments of the accumulation of gas, resulting in abdominal distension, abdominal pain, the site of the lesion can occur in the umbilical region. 3. Intussusception: the intestinal tubes of young children are thin and underdeveloped, and the peristaltic rhythm of the intestines is easy to be disturbed, resulting in localized intestinal intussusception. The common symptoms are distension and pain in the upper abdomen or the abdomen around the umbilicus, palpable lumps, accompanied by nausea, blood in the stool and other symptoms. 4. Intestinal flora imbalance: long-term use of antibiotics and other factors, resulting in intestinal flora imbalance, excessive gas production in the intestinal tube, and prone to excessive inflammatory factors, which can lead to abdominal distension around the umbilicus, often accompanied by diarrhea and other manifestations. There are many other causes of abdominal distension around the navel, it is recommended that patients seek medical attention in a timely manner to identify the cause of the disease, and then follow the doctor’s instructions for treatment.