小儿病毒性肺炎33例,男性19例,女性14例,年龄2.1±0.6a。呼吸道合胞体病毒感染占36％。用常规治疗(吸氧、抗生素、镇静、利尿、止喘及对症治疗)加重组干扰素α-2b 10万U/(kg·d), im, qd,共3-5d。与另相同患儿31例用常规治疗比较,疗效明显优于后组,故此药是治疗小儿病毒性肺炎的一种安全有效的药物。 33 cases of pediatric viral pneumonia, 19 males and 14 females, age 2.1 ± 0.6a. Respiratory syncytial virus infection accounted for 36%. Interferon alfa-2b was given 10 000 U / (kg · d), im, qd for 3-5 days with routine therapy (oxygen inhalation, antibiotics, sedation, diuresis, asthma and symptomatic treatment). The same with the other 31 cases of children with conventional treatment, the effect was significantly better than the latter group, so the drug is a safe and effective treatment of viral pneumonia in children.