目的:探讨长托宁对喘息型支气管的平喘效果。方法:对确诊为喘息型支气管炎的86例住院患者,分为治疗组与对照组,并对其治疗效果进行比较。结果:治疗组显效93.48%(43/46),好转4.35%(2/46),无效2.17%(1/46),有效率97.83%;对照组显效42.50%(17/40),好转25.0%(10/40),无效32.50%(13/40),有效率67.50%。两组疗效比较有统计学差异(P<0.01)。结论:长托宁治疗喘息型支气管炎疗效确切,不良反应少,使用方便,值得临床推广使用。 Objective: To investigate the antitussive effect of changning on asthmatic bronchus. Methods: 86 hospitalized patients with asthmatic bronchitis were divided into treatment group and control group, and their therapeutic effects were compared. Results: The effective rate of treatment group was 93.48% (43/46), improvement of 4.35% (2/46), invalid rate of 2.17% (1/46) and effective rate of 97.83%. The control group was significantly improved by 42.50% (17/40) and improvement rate was 25.0% (10/40), invalid 32.50% (13/40), effective 67.50%. There was significant difference between the two groups (P <0.01). Conclusion: The long-acting treatment of asthmatic bronchitis curative effect is exact, less adverse reactions, easy to use, it is worth to promote clinical use.