{Reference Type}: English Abstract {Title}: [Present situation of laryngotracheal stenosis' diagnosis technology]. {Author}: Wei XL;Zhao F;Wang WW;Wei FJ;Zheng FY;Su JP; {Journal}: Lin Chung Er Bi Yan Hou Tou Jing Wai Ke Za Zhi {Volume}: 30 {Issue}: 16 {Year}: Aug 2016 20 暂无{DOI}: 10.13201/j.issn.1001-1781.2016.16.022 {Abstract}: Laryngotracheal stenosis is a complex and dangerous disease,which caused by trauma or endotracheal intubation.Accurately and clearly to show the length and area of the airway stenosis,which is of great significance for the correct qualitative and quantitative diagnosis of the disease and the development of the treatment.The relevant inspection has its advantages and disadvantages.How to use inspection accurate and reasonable,there is no unified standard.Therefore,this paper will evaluate the role and significance of different relevant inspection(pulmonary function tests,ultrasound,bronchoscopy,CT,MRI) in the diagnosis of laryngotracheal stenosis,providing reference for laryngeal and tracheal stenosis diagnosis and treatment.