Small white spots on the body may be related to vitiligo, lichen planus and so on, usually can take medication, ultraviolet light treatment and other methods of treatment. 1. Vitiligo: Vitiligo is a kind of acquired pigment loss skin disease, its most common symptom is that the skin mucous membrane will have the phenomenon of pigment loss, so it will also lead to the patient to appear on the body with small white spots. For this condition, patients can use calcium-modulated phosphatase inhibitors for treatment, such as tacrolimus ointment, pimecrolimus cream and so on. 2. lichen planus: lichen planus is mainly due to the skin disease manifested by Malassezia infection. Patients with lichen planus will not only have small white spots on the body, but also individual patients will have brown patches with mild itching. For treatment, patients can choose to use antifungal topical preparations, such as ketoconazole cream, miconazole cream, clotrimazole cream, etc., with a course of treatment of 2 to 4 weeks. 2% ketoconazole lotion, 20% to 40% sodium thiosulphate solution, and 2.5% selenium disulphide for topical use are also effective. If the lesion area is large and the simple external application is not effective, oral antifungal drugs can be taken. There are other reasons why there are small white spots on the body, it is recommended that patients go to the hospital in a timely manner to find out the cause of the disease, standardized treatment, so as not to delay the condition.