The navel water still stinks, belongs to the umbilical cord infection, can be sterilized with povidone-iodine, followed by topical erythromycin ointment, mupirocin ointment and other antibiotic treatment. Umbilicus is due to the navel area bacterial infection caused by local inflammatory reaction, will cause exudate, purulent secretion redness, swelling, pain and other symptoms, so it will lead to the navel out of the water also stink. It should be rinsed with saline, and then routinely sterilized with iodophor, wiping the navel as well as the surrounding skin. After that, you can use topical erythromycin ointment, mupirocin ointment and other antibiotic drugs for treatment. If the symptoms are serious, take amoxicillin capsules, cefuroxime tablets and other drugs to fight infection. If there is pus formation, consider surgical incision to drain the pus, and change the medicine regularly. You need to go to the hospital for examination first, and follow the doctor’s advice to be treated.