Women after giving birth to a child belly black, mainly and the body’s hormone levels during pregnancy after the change caused by melanin deposition related, generally in the postpartum 2 ~ 3 months or so will gradually subside. After pregnancy due to the body’s estrogen and progesterone levels increase, will lead to the body’s pigmentation aggravation, which will appear belly black phenomenon. After giving birth to a child, the body’s hormone levels can not quickly return to normal, the dark belly will continue to exist, coupled with the abdominal wall skin laxity, will make the dark belly symptoms worsen, is a normal physiological phenomenon. Most of the patients with postpartum hormone levels gradually recovered, the symptoms of hyperpigmentation will gradually subside in about 2 to 3 months after delivery, some women may last longer. Usually postpartum belly black symptoms do not need special treatment, it is recommended to pay attention to local skin hygiene care, eat more vegetables and fruits rich in vitamin C, which will help the fading of hyperpigmentation, if the belly black symptoms for a long time can not be relieved, it is recommended to go to the hospital in a timely manner to seek professional medical help.