目的　探讨小剂量氨茶碱治疗小儿支气管哮喘的疗效。方法　采用治疗前后对照的研究方法对 70例轻度哮喘患儿使用小剂量氨茶碱治疗临床观察效果。结果　治疗后发作次数持续时间有显著差异 (P <0 .0 1 ) ,结论　小剂量氨茶碱可减少过敏后迟发反应和降低气道反应 Objective To investigate the efficacy of low-dose aminophylline in the treatment of pediatric bronchial asthma. Methods The clinical trial results of 70 cases of mild asthma using low-dose aminophylline were compared before and after treatment. Results The duration of episodes after treatment was significantly different (P <0.01) Conclusion Low doses of aminophylline can reduce post-allergy delayed response and reduce airway response