After being bitten by bed mites: 1. disinfection: the bedding, sheets and bedspreads should be ironed and dried in order to kill the mites. 2. topical medication: topical medication should be chosen according to the rash performance, if there is only a dry rash such as papules and papules, local hydrocortisone acetate cream or mometasone furoate cream can be applied, together with the application of ethoxymethoxylate ointment or bupropion cream for treatment. 3. Oral medication: If the patient is itching intensely, two or more antihistamines can be applied in combination, such as Avastin capsules or Olopatadine Hydrochloride tablets. If the patient’s rash is diffuse around the body, it can be combined with oral compound glycyrrhetinic acid tablets to strengthen the anti-allergy treatment.