If there is no pain or pus in the navel, but only a lot of dirt, you can rinse it out with lukewarm water while bathing; if there is pain, you will need to disinfect it and treat it with anti-infective treatment. Cleaning the navel can be done at the same time as bathing. It is recommended to rinse it with warm water and then dry it with a soft towel. It is not recommended to use alcohol and other harsh disinfectants for cleaning, and it is not recommended to pick or rub the navel too often in order to avoid local skin damage or irritation. If the navel pus or pain and swelling and so on, need to go to the hospital for disposal, the use of iodophor, erythromycin ointment and other drugs for disinfection and local anti-infection and treatment. It should be noted that, at this time, it is prohibited to use water to clean, after the disposal of the wound need to avoid soaking or pollution. Erythromycin ointment needs to be used under the guidance of a clinician.