Conclusion: The best treating method of rhinorrhe in front bases of skull, bases of saddle and clivus blurnenbachii orificium fistulae except malignant tumor is endoscopic repair of fistubus opening.

前颅底、鞍底、斜坡处瘘口，除恶性肿漏，最佳治疗方法是内镜下修补瘘孔。