正常人平均每天经鼻腔吸入的空气约1万升,鼻腔对吸入的空气有过滤、湿润、加温等作用。大量的尘埃、细菌等被鼻毛和鼻粘膜分泌的液体所吸附、沾黏,而滞留在鼻腔内,干后形成鼻痂。鼻痂如不及时清洗不仅会使鼻腔失去清洁功能,而且也会对健康构成一定的危害。鼻痂还为细菌、病毒生 Normal average daily inhalation of air through the nose about 10,000 liters, the nasal air on inhalation filter, moist, warming and so on. Large amounts of dust, bacteria and other nasal secretions and nasal mucus secretion of liquid adsorption, sticky, and stay in the nasal cavity, dry nose crust formation. Nasal callus, if not cleaned promptly, will not only make the nasal cavity lose its clean function, but also pose a certain health hazard. Nasal callus is also bacteria, virus students