White spots on the back need to first clarify the cause, you can go to the regular hospital dermatology, identify the cause and then targeted treatment: 1, if it is caused by melanin deficiency in the body, there is no need to worry too much about this situation, it is recommended to eat more black sesame, black fungus, etc., may be effective for relieving the symptoms of white spots; 2, if it is caused by vitiligo, treatment is relatively difficult, you need to use local drugs to promote melanin production, such as compound kalizarin tincture, can be injected at the same time to promote melanin production and immune regulation. For example, compound kallikrein tincture, can be injected at the same time repellent spotted chrysanthemum injection to promote melanin production and immune regulation. At the same time, it can be treated with short- and medium-wave ultraviolet light irradiation, topical glucocorticoid ointment and tacrolimus ointment, etc. If necessary, autologous epidermal transplantation can also be considered; 3. If it is caused by sclerosing atrophic moss, anti-inflammatory drugs and immunomodulatory drugs are needed; 4. If it is caused by lichen planus, it is caused by fungal infection, and antifungal drugs are needed to effectively improve the symptoms; 5. If it is caused by non-pigmented nevus, the There is no effective clinical drug treatment for the time being, and usually no treatment is needed. If there is medical and aesthetic intention, autologous epidermal transplantation or excimer laser treatment can be performed if necessary; 6. Anemic nevus can also cause white spots, and there is no effective drug yet, so beauty lovers can try to use masking agents to cover them up.