·AIM:To analyze the curative effect of various methods to search nasal side lacrimal canaliculus and inserting epidural sebific duct.·METHODS:Under microscopy,anastomosis was carried out using an epidural duct in cases diagnosed with ruptured lacrimal canaliculus preoperatively.·RESULTS:The success ratio of operation was 100%,flushing of lacrimal passage was unobstructed.·CONCLUSION:Raise the success ratio of operation and decrease the symptoms of dacryorrhea can improve the patients’.·