White spots on the body can be caused by a variety of reasons. Some people have non-pigmented nevi, which are often congenital and appear as limited white spots, which can gradually expand with body development and generally do not require special treatment. If they appear later in life, they may be post-inflammatory hypopigmented spots; those with other uncomfortable symptoms need to consider disease factors, such as white furuncle, vitiligo, senile white spots, lichen planus, etc.: 1. White furuncle: also called simple furuncle, characterized by thin bran-like scaly hypopigmented spots, manifesting as hypopigmented spots on the skin, namely white spots, which can occur on the neck, upper limbs and shoulders, with single or multiple numbers, and Size varies. The white furuncle can be self-healing, no need for treatment, can be used locally mild emollient cream, but the recovery time is variable, most patients can recover within 1 year; 2, vitiligo: manifested as skin white spots, can be single, distribution or generalized, lesion size varies, round, oval, etc.. The patient often has no conscious symptoms, progressive stage can be accompanied by pruritus. It can be treated with glucocorticoid preparations or calcium phosphatase inhibitors, such as dexamethasone, tacrolimus, pimecrolimus, etc. The disease is difficult to be completely cured and is prone to recurrence; 3. senile leukoplakia: it belongs to the normal natural aging phenomenon of the skin, usually appearing on the trunk and extremities, manifesting as multiple milky white or porcelain white spots, without other uncomfortable symptoms, and generally does not require treatment; 4. lichen planus: it belongs to chronic The lesion skin often appears yellow-brown spots or small white spots, which will spread if not treated in time, and the treatment is based on topical drugs, which can also be combined with antifungal drugs.