小儿下呼吸道感染是儿科常见病、多发病。盐酸氨溴索具有稀释痰液、减轻炎症反应、松弛气道平滑肌及增加药物浓度的作用。我科应用盐酸氨溴索佐治小儿下呼吸道感染,效果满意。现报告如下。1资料和方法1.1一般资料:将我科2008—2009年收治的160例3个月至5岁的小儿下呼吸道感染患 Pediatric lower respiratory tract infection is a common pediatric disease, frequently-occurring disease. Ambroxol hydrochloride with diluted sputum, reduce inflammation, relax airway smooth muscle and increase the role of drug concentration. My department of ambroxol hydrochloride treatment of children with lower respiratory tract infection, with satisfactory results. The report is as follows. 1 Materials and Methods 1.1 General Information: 160 cases of pediatric lower respiratory tract infection of 3 months to 5 years admitted to our department from 2008 to 2009