泪囊鼻腔吻合术是目前慢性泪囊炎的理想根治疗法。多数患者术后３～４天内鼻腔少量渗血属正常现象，但有少数患者术后一周才突然发生大出血。我们三年内遇４例，现报告如下。例１，女，３８岁。因右眼溢泪，压迫内眦部从下泪小点返流出粘液脓性物２年。门诊诊断为“右慢性... Dacryocystorhinostomy is the ideal cure for chronic dacryocystitis. The majority of patients within 3 to 4 days after surgery a small amount of nasal bleeding is a normal phenomenon, but a small number of patients suddenly after a sudden bleeding occurred. We encountered four cases in three years, the report is as follows. Example 1, female, 38 years old. Due to tears in the right eye, oppression within the Ministry of internal organs from the back of small tears back mucus purulent 2 years. Outpatient diagnosis as "right chronic ...