Stuffing things into the navel may cause umbilical infection, small bowel infection and peritonitis and other diseases. 1. Umbilicitis: patients to the navel stuffing things, may cause the navel at the broken infection staphylococcus aureus, resulting in umbilical cord inflammation. Patients around the navel will appear pus discharge, and accompanied by a heavy odor, skin redness and swelling. 2. Small bowel inflammation: If the navel is severely damaged, it may cause infection in the abdominal cavity and symptoms of small bowel inflammation. This disease will cause nausea, vomiting, fever, diarrhea, abdominal pain and other symptoms. 3. Peritonitis: bacteria can invade the abdominal cavity after the navel is broken, causing inflammation of the peritoneum and abdominal cavity. This disease is usually more rapid onset, prone to fever accompanied by acute abdominal pain symptoms. When the navel is uncomfortable, the patient should consult a doctor in a timely manner, do not listen to prescriptions to aggravate the condition.