The main reasons for the pressure pain in the navel area can be seen in: 1, mesenteric lymph node enlargement, due to a layer of peritoneal wrapping around the abdominal viscera, there are a large number of lymph nodes on the peritoneum, especially in children with more peritoneal lymph nodes, when the body has viral infections, bacterial infections, these lymph nodes will be hyperplasia and increase in size, so there will be pain when pressing. 2, intestinal infections, due to intestinal infections by Bacterial and viral infections, the intestinal mucosa is damaged and the sensitivity increases, then there will be pain when the navel is pressed.3, dyspepsia, there is a weakening of the digestive function of the intestinal tract, a large number of food residues and feces in the intestinal tract to gather, resulting in dilatation of intestinal tubes, sensitivity increases, so that there is pain when the navel is pressed.4, parasitic infections, especially roundworms, the main survival of small intestines with the small intestine mucosal damage, and there will be pain when the navel is pressed. Damage, and navel pressure pain, when the roundworm in the intestinal tract peristalsis will appear colic.