The mites on the back are mostly associated with high sebum secretion on the back, daily sweating and lack of attention to personal hygiene, which can be removed by the following methods: 1, control the secretion of oil: you can use special mite soap or sulfur soap or selenium disulfide to clean the back every day, which has the effect of controlling oil, killing insects and anti-inflammatory, to keep the local skin dry and try not to scratch with your hands; 2, medication: you can give fusidic acid or 3, pay attention to personal hygiene: do not share towels with others, while it is recommended to rub the back with a scrubbing towel once a week to remove the back after the keratin layer to avoid the reproduction of mites; timely replacement of clothing and bed sheets, covers, keep the room ventilated and dry, and wash the seats or plush toys at a high temperature above 55 ℃. Also frequently place items in the sun to remove mites; 4. Adjust your lifestyle: try to wear loose, cotton clothing to avoid sweating too much. Eat a light diet, keep three regular meals, sweets, fried food as little as possible or do not eat, eat more fresh fruits and vegetables.