Conclusions Tracheal stents can relieve symptoms and improve the life quality in patients with tracheal stenosis caused by malignant tumors or tracheal malacia.

• 结论气管支架对良恶性肿瘤引起的气管受压性狭窄，气管软化引起的气管狭窄，有良好的缓解症状，改善生活质量的作用。