Dermatophagoides pteronyssinus and Dermatophagoides farinae are allergic, so it is necessary to take oral antiallergic drugs according to the doctor's advice, such as loratadine tablets or levocetirizine tablets combined with compound glycyrrhizin tablets. Topically, compound dexamethasone acetate cream or Hasenide solution can be applied for treatment. You can also take Dust Mite Drops 1No. to No.4 for treatment, and you should take the medicine according to the course of treatment under the guidance of a doctor. Always open the window for ventilation and keep the air circulating. Always expose and disinfect your towels, clothes and bedding. Pay attention to skin hygiene at ordinary times. The water temperature in the bath can be slightly higher. You can use warm water and wash your face twice a day. Don't eat spicy food, don't use cosmetics indiscriminately, and don't often scratch the skin of allergic parts with your hands.