A black face and a white face can be caused by a variety of factors, which can be seen in the uneven facial skin color and other physiological factors, but also may be the white furfura, vitiligo and other pathological manifestations. The specific treatment method should be chosen according to the cause of the disease, the main clinical treatment includes general treatment, drug treatment, surgical treatment and so on. 1. Uneven facial skin color: when the face by uneven light or genetic influence, may appear face a black a white phenomenon. At this time, there is no need to worry too much, pay attention to sunscreen can be. 2. White chaff rash: it is a kind of scaly disease that develops on the face, which can be caused by malnutrition, vitamin deficiency and other factors. The main symptoms can be seen in the face round pigmentation spots, occasionally accompanied by itching. Patients should avoid the use of soap to wash the face; can follow the doctor’s instructions external urea ointment, glycerite lotion and other drugs anti-inflammatory moisturizing. 3. Vitiligo: is the destruction of melanocytes and lead to skin white spots of a disease. Patients should avoid sun exposure, trauma. Can follow the doctor’s instructions external tacrolimus ointment, pimecrolimus ointment and other drugs; when the disease is stabilized, the effect of external drugs is not good, you can take skin transplantation and other surgical treatment. If your face is black and white, you should go to the hospital in time and have a relevant examination in order to clarify the cause of the disease and actively cooperate with the doctor’s treatment program, and do not take care of it on your own.