The main symptoms of acute umbilicus are warm, congested, swollen, and painful skin around the umbilicus and the umbilicus ring, and the secretion of abnormal smelling and purulent fluids. In severe cases, the entire belly button skin becomes hot and pus-filled, and there is a possibility of complications of peritonitis and toxemia, because the umbilicus is connected to the inside of the abdominal cavity. When suffering from acute umbilicus, you must go to the hospital for disinfection and anti-inflammatory treatment, rinse and wipe with hydrogen peroxide or iodine volts every day, keep the skin around the navel dry and sterile, wear loose, breathable clothes, refuse to use stimulating foods, and pay attention to the hygiene of the navel to keep it clean.