随着工业化进展、现代生活方式和人类生态环境的急剧变化 ,变应性鼻炎 (ＡＲ)的发病率有全球性增长的趋势 ,其发病率约占人口的 5 %～ 5 0 %。国际儿童哮喘和变态反应调查 (ＩＳＡＡＣ)发现 ,发展中国家季节性变应性鼻炎 (枯草热 )累及 5 0 %的青少年。在许多欧洲国家、美国和 With the rapid development of industrialization, modern lifestyles and human ecological environment, the incidence of allergic rhinitis (AR) has a global trend of increasing, with the incidence of about 5% ~ 50% of the population. The International Children’s Asthma and Allergy Survey (ISAAC) found that seasonal allergic rhinitis (hay fever) in developing countries affects 50% of adolescents. In many European countries, the United States and