咯血是肺脏疾患常见的症状。许多患者除咯血外常无其他症状,体检和胸部X线检查亦属正常,常须借支气管镜检查确诊。本文报告在咯血后不到48小时的患者120例应用纤维光束支气管镜检查结果。检查时患者坐于牙科椅上,覆以消毒巾。对精神紧张者术前用安定2～7毫克静脉缓慢注射。鼻、咽部用1％利多卡因溶液喷雾 Hemoptysis is a common symptom of lung disease. Many patients often have no other symptoms except hemoptysis, physical examination and chest X-ray examination are normal, often diagnosed by bronchoscopy. This article reports the use of fiber optic bronchoscopy in 120 patients less than 48 hours after hemoptysis. The patient was seated in a dental chair and covered with a sterile towel. On the mental stress preoperative stability with 2 ~ 7 mg intravenous injection slowly. Nasal, pharynx with 1% lidocaine solution spray