鼻出血是耳鼻喉科常见症状,严重者可导致贫血,甚至引发失血性休克而危及生命[1]。鼻出血可发生于鼻腔任何部位,常见于鼻中隔前下部,其病因较复杂。2010年3-5月,我们通过巡诊、走访驻守高原某部官兵及其家属,发现因高原理化因素致鼻出血者较多,遂对其进行了全面而系统的诊治。现 Epistaxis is a common otolaryngology symptoms, severe cases can lead to anemia, and even lead to hemorrhagic shock and life-threatening [1]. Epistaxis can occur in any part of the nasal cavity, common in the lower part of the nasal septum, the etiology is more complicated. From March to May 2010, we visited officers and soldiers stationed in a certain part of the plateau and their families through visits and found that there were more nosebleed due to the physical and chemical factors of the plateau. We conducted a comprehensive and systematic diagnosis and treatment. Now