本文介绍一种改良的鼻腔泪囊吻合术，该方法的特点是以咬代凿，单瓣吻合以及吻合口内留置导尿管。共８例９只眼，均为一次手术成功，随访５～２１个月，未见复发。并对术前鼻腔填寒的重要性，仅缝前唇的优点，术中剪除多余的泪囊粘膜的必要性和吻合口中留置导尿管的意义进行了讨论。 This article describes an improved nasal dacryocystorhinostomy, the method is characterized by bite chisel, single-flap anastomosis and anastomosis indwelling catheter. A total of 8 cases of 9 eyes, were an operation was successful, followed up for 5 to 21 months, no recurrence. And the importance of preoperative nasal filling, only the advantages of the pre-sewn lip, the need for surgery to remove excess dacryocyst mucosa, and the significance of an indwelling catheter in anastomosis were discussed.