To investigate the clinical effect of anastomosis lacrimal sac conjunctival sac in the treatment of severe laceration of lacrimal canaliculus.A total of 19 cases (19 eyes) with laceration of lacrimal canaliculus underwent anastomosis lacrimal sac conjunctival sac.All the patients were followed up for 3 to 24 months postoperatively.Among all the 19 patients (19 eyes), 14 cases were cured,3 cases wre markedly improved and 2 cases had no effect,and the effect rate was 89.47%.Anastomosis lacrimal sac conjunctival sac is an effective surgical technique in the management of severe laceration of lacrimal canaliculus.