Acne caused by mites is considered to mean mite dermatitis, which can be treated by general treatment, local medication, systemic medication and other measures. 1. General treatment: keep the skin clean and hygienic, underwear sheets and bedding, sun exposure, for the mites that may hide the straw mat, etc., should be boiled or sprayed with insecticide to kill the mites. 2. Topical medication: If there are still mites on the skin, you can use benzyl benzoate emulsion, 10% sulfur ointment, etc. for local application. Mite dermatitis can be topical glucocorticoid ointment, such as Hasinide cream, hydrocortisone ointment and so on. 3. Systemic medication: If the area is large and the itching is severe, you can take oral antihistamines, such as cetirizine, chlorpheniramine maleate, or with glucocorticoid drugs, such as prednisone tablets, dexamethasone tablets and so on. It is recommended to go to the hospital for examination first, and all medicines should be used under the guidance of professional doctors.