病例选择①喘息反复发作,大多数易患感冒、支气管炎、肺炎等呼吸道感染者。②发作时每有发热,咳嗽及喘息,两肺呼吸音延长及有哮鸣音,有时伴有干、湿性罗音。③过敏史及家族过敏史、哮喘史;嗜酸性粒细胞增高等作为参数。治疗方法:①用一般抗喘药物如氨茶碱等对症治疗,用青、庆大或卡那霉素控制感染,疑有病毒感 Case selection ① recurrent wheezing, most susceptible to cold, bronchitis, pneumonia and other respiratory infections. ② seizures, fever, cough and wheezing, lung breath sounds and wheeze extension, and sometimes accompanied by dry and humid rales. ③ allergic history and family history of allergy, asthma history; eosinophilia increased as a parameter. Treatment: ① with general anti-asthma drugs such as aminophylline and other symptomatic treatment, with green, large or kanamycin control infection, suspected of having a sense of virus