Umbilical hernias in adults with large hernia defects must be operated on. If you do not do surgery, the consequences are as follows: 1, itself is not possible to self-healing, impossible to grow well; 2, with the increase in abdominal pressure, abdominal intestinal tubes or fatty tissues protruding from the defective umbilical hernia site outside the body, or even a serious cause of incarceration, the protruding intestinal tubes or fatty omental tissues can not be returned to the abdominal cavity, resulting in severe pain to the patient, known as intestinal obstruction or hernia contents of the incarceration. This situation must be emergency treatment, otherwise the prolonged incarceration will cause intestinal necrosis, infection, and even life-threatening. Therefore, abdominal umbilical hernia with a large defect must be operated to cure.