Vitiligo is not skin cancer, vitiligo is a pigment loss skin disease that is dominated by congenital factors and affected by acquired factors. This skin disease is mainly manifested as a limited or extensive white appearance of the skin with clear borders. The main mechanism is the loss of melanocytes in the skin, resulting in a white appearance of the skin, the exact mechanism and cause of which are not clear yet. There are many kinds of skin cancer, which is a malignant tumor of the skin, and there is a clear difference between it and vitiligo. There is a special part of the skin white spot may be a precancerous skin lesion, such as female pubic white spot, female pubic white spot some people think is a skin precancerous lesion, it is different from vitiligo.