术后严重的鼻衄是经蝶垂体瘤手术后的并发症之一，临床上少见，且来势凶险，处理非常困难，甚至造成手术失败，病人死亡。本文拟通过3例报道，并结合文献作初步的探讨。l临床资料3例中2例男性，年龄42、46岁，男性均有阳萎史，女性1例为闭经、泌乳、不孕症。头颅CT示鞍区肿瘤。 Postoperative severe epistaxis is one of the complications after transsphenoidal pituitary surgery, clinically rare and potentially dangerous, the treatment is very difficult, and even led to the failure of surgery, the patient died. This article intends to pass three reports, combined with the literature for a preliminary discussion. l clinical data in 3 cases in 2 cases of men, aged 42 years, men have a history of impotence, a female amenorrhea, lactation, infertility. Head CT showed saddle area tumor.