Methods: 189 patients suffer from epistaxis were involved in this study.The locations of bleeding were identified with sinus endoscopy,then they were treated with radio frequency.

• 方法对189例鼻内镜下能找到明确出血点的鼻出血患者进行射频治疗,观察治疗后鼻出血情况,治疗后是否复发。