我们应用中药外敷防治小儿反复下呼吸道感染300例,收到较为满意的效果.痊愈(症状体征消失,X线检查病灶吸收,化验检查恢复正常)236例,其中肺炎愈78例,气管炎愈158例;好转(症状减轻,体征好转,X线或化验检查未完全恢复正常)53例,其中肺炎22例,气管炎31例.无效11例,其中肺炎4例,气管炎7例. We apply traditional Chinese medicine topical prevention and treatment of pediatric repeated lower respiratory tract infection in 300 cases, received a more satisfactory results. Healed (symptoms and signs disappeared, X-ray examination of lesions absorbed, laboratory tests returned to normal) 236 cases, of which 78 cases of pneumonia, tracheitis 158 In 53 cases, there were 53 cases of pneumonia, including 22 cases of pneumonia and 31 cases of bronchitis, and 11 cases were ineffective, including 4 cases of pneumonia and 7 cases of bronchitis.