If the umbilical hernia defect is small, the patient often does not have obvious abdominal pain and discomfort, but if the umbilical hernia defect is large, the intestinal canal and omentum may protrude outward through the umbilical defect. If the umbilical hernia defect is large, the intestinal canal and omentum may protrude completely from the surface of the body with obvious pulling pain, it is recommended that the patient perform umbilical hernia repair as soon as possible to avoid intestinal entrapment and intestinal necrosis; second, because there is often more metabolic waste in the navel, once combined with bacterial infection, it will cause the growth of inflammatory granuloma, which will manifest as small meat bumps, and the patient will have local redness, swelling and pain. inflammation subsides and improves the patient’s painful symptoms.