近年来,日益严重的大气污染、吸烟人群的增加、人口老龄化等因素,使各种呼吸系统疾病的发病率、死亡率有增无减。中国药学会全国医药经济信息网对2000年到2003年一季度入网医院呼吸系统用药的调查显示,呼吸系统用药购药金额保持着持续的增长势头,2002年比2000年增长25%,而2003 In recent years, the increasingly serious air pollution, the increase of smoking population and population aging have made the incidence and mortality of various respiratory diseases unabated. A survey of the respiratory system medication use of imported hospitals in the first quarter of 2000 to the first quarter of 2003 shows that the purchase amount of the respiratory system medication has maintained a sustained growth momentum, increasing by 25% in 2002 compared with 2000, while in 2003, the national medical and economic information network of the Chinese Pharmaceutical Association