慢性泪囊炎为农村患者中常见眼病之一，通常以手术摘除泪囊，或行泪囊鼻腔吻合术作为根治的手段、在正常解剖时，手术并不困难，但对解剖异常来说，则需认真寻找解剖标志，虽然筛窦的发育异常井不少见，然而在行泪囊鼻腔吻合术时碰到的筛泪气房则实属罕见。现将作者在行泪囊鼻 Chronic dacryocystitis is one of the common eye diseases in rural patients, usually surgery to remove the lacrimal sac, or line dacryocystorhinostomy as a cure, in normal anatomy, surgery is not difficult, but for anatomical abnormalities, then Need to seriously look for anatomical landmarks, although abnormal development of the ethmoid well is not uncommon, but in the line dacryocystorhinoal anastomosis encountered when the tear gas room is rare. Now the author in line dare