White face and black body may be physiological phenomenon or due to pathological factors such as white furfura and vitiligo. 1. Physiological factors: human skin color is uneven in many cases, which is related to both heredity and physical stimuli including sunlight exposure in different parts of the body and in different environments. There is no need to worry about this situation and no need to deal with it. 2. Pathologic factors: commonly found in skin diseases such as pityriasis alba and vitiligo. (1) white furfur: often appear in the face, manifested in the edge of the unclear hypopigmented spots, the surface is often covered with fine scales. If the patient’s own facial skin is relatively fair, then the border will not be too obvious, but it will be lighter than the body’s skin color, and there may be a white face and black body. (2) Vitiligo: the face is often the first part of vitiligo, at first the border is not clear, and then gradually transformed into a clear border of pigment loss spots, often accompanied by white hair in the lesion area. If the patient’s facial vitiligo area is large, and the body’s skin color contrast, may appear face white body black situation. If the patient has a white face and black body, if the skin color is uniform, there is no need to worry too much; if there are patches of whitening, or other symptoms, you need to consult a doctor for a clear diagnosis and follow the doctor’s instructions to actively treat.