泪道结石很少见，且多为泥沙样、不成形。泪小管垂直段以下的细小结石可随泪液、泪道冲洗和探通排至鼻腔。作者遇到三例较大的泪小管结石，现报告如下。例1，女，52岁，工人。因右眼溢泪半年、红肿半月来院门诊。检查：右下睑内助部皮肤红肿，下泪小点嵌有粘稠的白色脓液，以“ Lacrimal stones are rare, and mostly silt-like, not shaped. Tracheal vertical segments following the small stones with tears, lacrimal duct flushing and exploration to the nasal cavity. The author encountered three cases of larger lacrimal canal stones, are as follows. Example 1, female, 52 years old, worker. Due to the right eye overflowing for half a year, swelling and a half to the hospital clinic. Check: Department of right lower eyelid skin irritation, small tears dotted with thick white pus, with "