There is no absolute effective medicine to kill mites, and effective medicines include metronidazole, benzoyl peroxide, sulfur ointment, and so on. Mites are usually present on the skin of normal people, but when there are too many mites, it may lead to redness of the skin and even folliculitis, at this time it is recommended that the patient actively use medication under the guidance of the doctor. When the number of mites on the skin is high, insect mite dermatitis may occur, at this time can be improved by oral or topical medication, such as oral metronidazole tablets, and at the same time, topical benzoyl peroxide or sulfur ointment for treatment. For the removal of mites in life, you can use hot water to wash bed sheets, bedding and other household items, and can be removed by exposure to sunlight. For the occurrence of insect mite dermatitis patients, it is recommended to go to the regular hospital for examination in a timely manner, under the guidance of a professional doctor for treatment, do not self-medication.