Newborn baby navel water, to consider whether the umbilical cord inflammation, that is, bacterial invasion of the umbilical cord infection localized inflammatory reaction. In the presence of umbilical infection, the umbilicus is often manifested as redness, may be swollen, accompanied by pain and discomfort, localized inflammatory exudate, can be manifested as bright or yellowish mucus. If the umbilical infection develops and worsens, it will manifest as marked redness, swelling, and a fluctuating sensation, due to subcutaneous pus production. For treatment, if the umbilical inflammation is only locally swollen and oozing, it can be sterilized with iodine povidone, and when there is more exudate, the exudate needs to be cleaned promptly with cotton swabs. In patients with significant redness and swelling, mupirocin ointment can be applied locally after disinfection. If abscess formation is considered, incision and drainage is performed. Newborn baby navel water, there may also be other reasons, it is recommended to go to the hospital, improve the examination to clarify the cause of the disease, under the guidance of the doctor to give targeted treatment or treatment. The above medication is in accordance with the doctor’s instructions.