１９８３～１９９３年共做纤维支气管镜１３５０例，其中有７８８例有咯血症状病人，男性占８３．５％，２５～４５岁占８０．５％，移居高原６３１人占８０％，世居１５７人占２０％，高原性干性萎缩性支气管炎占１５．２％，其主要临床表现：纤维支气管镜检查可见粘膜慢性充血，干燥、萎缩，管腔壁有痴皮，气管环明显突出，隆凸锐利，粘膜血管扩张，各种化验检查及胸部拍片、ＣＴ扫描均无异常，这类病人予后良好，但治疗效果不明显，对高原性干性萎缩性气管炎进行了讨论。 From 1983 to 1993 a total of 1350 cases of bronchoscopy, of which 788 cases of patients with hemoptysis, 83.5% of men, 25-45 years old accounted for 80.5%, 631 people migrate to the plateau accounted for 80%, 157 people Accounting for 20% of high altitude dry atrophic bronchitis accounted for 15.2%, its main clinical manifestations: bronchoscopy showed chronic mucosal hyperemia, dryness, atrophy, wall lumen ridiculous, prominent tracheal ring, the protuberance Sharp, mucosal vasodilation, a variety of laboratory tests and chest film, CT scan were normal, these patients were given after a good, but the treatment effect is not obvious, the discussion of high altitude dry atrophic bronchitis.