The navel is red, swollen, liquid outflow is not normal phenomenon. There is a situation is the navel due to personal hygiene do not pay attention to the local inflammation, meridian complex iodine disinfection, usually pay attention to the cleanliness of this place will slowly get better. Usually do not use your hands to dig deep into the navel is easy to damage, the outside world bacteria imported into the navel inside. There is also a situation to be alert to a clinical disease called umbilical ureteric fistula, umbilical ureter has been atresia in normal people after birth, but a few people congenital cause umbilical ureter is not occluded, the bladder and the navel potentially connected, resulting in from time to time will be some of the urine through the umbilicus outflow caused by the umbilicus of the local infection. A cystogram of the bladder or umbilicus can confirm whether this is the case or not, and if the diagnosis is umbilical ureteric fistula, surgery should be performed to remove the fistula.