喉气管狭窄是一种喉气管腔内瘢痕增生致患者呼吸困难的疾病。近年来,随着喉气管外伤的增多和呼吸机辅助呼吸技术的普及,喉气管狭窄的发生率呈增加趋势。喉气管狭窄,特别是重度狭窄,治疗上仍十分棘手。要取得良好的治疗效果,除了精湛的手术技巧外,还需注意下列几个问题。1病因与手术时机造成喉气管狭窄的原因有多种,最常见的是外伤和气管插管后损伤~[1-2]。其他还有非特异性炎症 Laryngeal tracheal stenosis is a laryngotracheal scar hypertrophy caused by respiratory problems in patients with diseases. In recent years, with the increase of laryngotracheal trauma and ventilator assisted breathing technology, the incidence of laryngotracheal stenosis is increasing. Laryngeal tracheal stricture, especially severe stenosis, the treatment is still very difficult. To obtain good treatment, in addition to superb surgical skills, but also pay attention to the following questions. A variety of reasons for the causes of surgery and laryngotracheal stenosis caused by the timing of surgery, the most common trauma and tracheal intubation after injury ~ [1-2]. There are other non-specific inflammation