Back mites are usually caused by not paying attention to personal hygiene and other reasons, to remove from personal hygiene, medication to solve the two aspects, medication can be applied externally selenium disulfide, metronidazole gel and other drugs. Back mites are mostly due to personal hygiene not often bathing, clean cuticle, underwear, bedding not often sun exposure or high temperature disinfection and other personal hygiene habits have a relationship. It is recommended to use sulfur soap to bathe frequently, and to expose the underwear and bedding to sunlight and high-temperature disinfection frequently. Surrounding environment can also use sulfur to kill mites from time to time, underwear, intimate apparel should also be cleaned separately to avoid cross-infection. Drugs can be used selenium disulfide coating, can also be used externally to kill insects, mites, drugs such as sulfur cream. Itching and other symptoms can be combined with oral antihistamine drugs such as loratadine and other treatments. It is recommended that patients with mites on their backs consult a doctor in time and follow the doctor’s instructions for treatment.