White spots around the anus may be related to perianal eczema, micronutrient deficiency, perianal diseases, vitiligo and other factors, according to the specific situation, reasonable analysis and judgment. 1. perianal eczema: perianal eczema may be related to external trauma, allergen stimulation, neurological disorders, hemorrhoids and other reasons, belongs to a recurrent skin disease, perianal can appear rice grain size of the white spots, pimples or herpes, accompanied by pain and itching sensation, daily to keep the skin around the anus clean. 2. Lack of trace elements: If the body lacks copper, zinc, iodine and other trace elements, it can affect the synthesis of melanin cells, resulting in localized white spots or white spots on the perianal skin, daily attention should be paid to maintaining a nutritionally balanced diet. 3. perianal disease: if there are hemorrhoids, anal fissure, anal fistula and other perianal diseases, will cause damage to the perianal skin lesions, resulting in perianal skin pigmentation to form white spots, white spots. 4. Vitiligo: If the patient suffers from vitiligo, the skin melanocytes will be destroyed, the local skin around the anus will show white or milky white lesions, forming white spots. If the situation of white spots around the anus can not be effectively controlled or alleviated, you should go to the hospital in time to check, clarify the cause of the disease and give treatment to avoid aggravation of the condition.