After giving birth to a child navel black and dirty, may be improperly cleaned, local pigmentation, umbilical cord inflammation caused by the main is to take general treatment, drug treatment, laser treatment and other methods. 1. Improper cleaning: the main attention to the navel part of the cleanup, available warm water will be cleaned up around the navel, but can not pick the navel, to avoid causing infection. 2. Local hyperpigmentation: due to excessive secretion of estrogen in the body during pregnancy, resulting in hyperpigmentation, generally has no significant impact on health, will gradually fade on its own, if it can not fade on its own, if necessary, you can take the laser to get rid of hyperpigmentation. 3. Umbilical cord infection: often caused by navel infection, if the current infection is not serious, available povidone-iodine disinfection, if it is more serious, can be cleaned up after the doctor’s guidance to apply local erythromycin ointment, mupirocin ointment. After giving birth to a child navel black and dirty, must pay attention to the local skin care, usually also need to develop healthy eating habits, the skin recovery is helpful.