气管异物病情危急，常伴有严重的呼吸困难及缺氧，麻醉及手术风险较大。本文18例气管异物患儿在氯胺酮、γ—羟基丁酸钠麻醉下行气管内异物取出术，通过对麻醉方法、用药的分析，认为氯胺酮、γ—羟基丁酸钠麻醉是用于小儿气管内异物取出术中较好的，安全平稳的麻醉方法。 Tracheal foreign body critical condition, often accompanied by severe breathing difficulties and hypoxia, anesthesia and surgery greater risk. In this paper, 18 cases of children with tracheal foreign body in ketamine, γ-hydroxybutyrate anesthesia underwent tracheal foreign body removal, through the analysis of anesthesia, medication, that ketamine, γ-hydroxybutyrate anesthesia is used for pediatric endotracheal foreign body Remove the surgery is better, safe and stable method of anesthesia.