Darkening of the stomach skin may be related to skin pigmentation, trauma, and insufficient vitamin C intake. It can be improved by methods such as laser treatment and medication. Abdominal skin hyperpigmentation is an increase in melanin in the basal layer of the skin, resulting in a deepening and worsening of the color of the abdominal skin. It can be treated with intense pulsed light or pulsed ruby dye laser. It can also be treated with topical topical decolorizers such as hydroquinone. If the abdomen has been traumatized, in the wound scab period will also be manifested in the deepening of the skin color, at this time no special treatment, to be healed after the wound skin can be restored to its original state. Vitamin C can reduce the skin melanocyte synthesis of melanin, when the body intake of vitamin C is insufficient, melanocyte synthesis of melanin more, will be manifested in the local skin color deepening. Taking the right amount of vitamin C tablets can improve the symptoms. If you find that the abdominal skin becomes black, you should consult a doctor in a timely manner, under the guidance of the doctor’s treatment, do not take medication without authorization, so as not to delay the condition. Improve your diet, eat more fruits and vegetables, quit smoking and drinking, and keep a regular routine.