随着鼻内镜手术的不断开展,以及鼻内镜围手术期综合治疗的广泛应用,鼻窦炎、鼻息肉的治疗得以逐渐完善。但是,由于鼻内镜下的图像缺乏三维立体感,术者距离感差,定位欠准确,加之鼻窦解剖复杂、变异大,容易引起严重的并发症,故术中容易形成残留致病情迁延,从而影响手术的治愈率[2 With the continuous development of endoscopic sinus surgery and endoscopic perioperative comprehensive treatment of extensive use of sinusitis, nasal polyps treatment to be gradually improved. However, due to the lack of three-dimensional images of endoscopic sinus surgery, the surgeon from the poor sense of positioning is not accurate, combined with sinus anatomy complex, large variation, easily lead to serious complications, it is easy to form surgery residual disease delay, Thus affecting the cure rate of surgery [2