The onset of vitiligo does have a certain relationship with the region, because the region is different, the degree of ultraviolet irradiation of the sun, climate impact, and people's living habits, eating habits, work schedules, and humanistic factor The onset affects.

According to the existing epidemiological data, the incidence of India, Africa, and the Middle East globally is higher, while the incidence rate in Europe and the United States is low. Research on epidemiological diseases in my country shows that the incidence of vitiligo in coastal areas is higher than that of the Mainland, but the difference is not very large. At the same time, vitiligo is used as melanin loss of disease and is closely related to immune function. In areas with concentrated areas with concentrated diseases in some high -polluting areas or abnormal diseases of immune systems, there is also a high incidence of vitiligo.