High frequency electrocautery is valuable in treating airway obstructive focus, and complication is few, but there are some therapy danger and technique difficulty in serious ill.

结论经纤支镜高频电刀治疗气道阻塞性病变疗效好、并发症少，气道严重阻塞的重症病例有一定技术难度和治疗风险。