尘螨及其排泄物和分泌物,作为屋尘中的主要过敏原,可以诱发支气管哮喘、过敏性鼻炎和遗传过敏性皮炎,危害过敏体质者,对儿童尤甚。尘螨多见于人类生活环境,并通过人的活动和衣物的携带而传播。尘螨在居民室内的分布,国内外已有报道。浴室、旅社和幼儿园是人群聚 Dust mites and their excretions and secretions, as the main allergens in house dust, can induce bronchial asthma, allergic rhinitis and atopic dermatitis, and are at risk for allergies, especially in children. Dust mites more common in the human environment, and through the activities of people and clothing to carry and spread. Dust mites in the distribution of residents in the home and abroad have been reported. Bathrooms, hostels and kindergartens are crowded together