鼻出血是耳鼻咽喉科常见症状之一,也是耳鼻咽喉科急诊之一,可由鼻病或全身疾病引起。多为单侧,亦可为双侧,轻者涕中带血,重者可引起失血性休克,反复出血易导致贫血,严重者危及生命。在高原由于夏季气候燥热,湿度小,冬末春初,高原上风速大,水分蒸发量多,空气干燥,因而鼻腔黏膜表 Epistaxis is one of the common symptoms of otolaryngology, is also one of the otolaryngology emergency, may be caused by rhinopathy or systemic disease. Mostly unilaterally, but also for both sides, the light of the bloody tears, severe cases can cause hemorrhagic shock, repeated bleeding can lead to anemia, serious life-threatening. In the plateau due to hot summer climate, low humidity, early winter and early spring, high winds on the plateau, the amount of water evaporation, air drying, nasal mucosal surface