Vitiligo is a common acquired restrictive or pervasive skin pigmentation disorder. The disease is characterized by localized or generalized pigment loss forming white patches, and is an acquired limited or generalized skin pigmentation disorder. It is a limited or generalized skin pigmentation loss. It can also occur in the vulva of women, mostly in young women. The actual fact is that you can find a lot more than just a few of the most popular and popular items on the market. The hair within the white spot can be white, can also be normal, can also be black and white, the hair becomes white the efficacy is relatively poor, after the disappearance of the white spot, the hair also vitiligo easy to diagnose. 2, all parts of the human body skin, oral cavity and external genital mucosa and other parts of the body appear irregular white patches of varying size, single or multiple, white patches area gradually expand, the number increases. The white patches are all white, but the degree of pigment loss can be different, and can be milky white, light white, cloudy white and porcelain white. In rare cases, the white spots will appear to shrink or disappear on their own. 3, the complications of vitiligo in the clinical performance, vitiligo can be complicated or secondary to a variety of diseases, which is also important to help the self-examination of vitiligo. There are many clinical reports of vitiligo cases combined with some autoimmune and endocrine diseases, such as: combined with hyper- or hypothyroidism, diabetes, chronic hypoadrenocorticism and chronic active hepatitis. In addition, there are also reports suggesting that vitiligo is associated with pernicious anemia, drug rash, halo nevus, psoriasis, bronchial asthma, scleroderma, pernicious neoplasm, alopecia areata or baldness, herpes zoster, odoriferous dermatitis, rheumatoid arthritis, myasthenia gravis, chronic subcutaneous tissue candidiasis and ocular disorders, as well as complications in herpes-like dermatitis, parapsoriasis, acromegaly, and chronic persistent erythema.