Abstract:Congenital lacrimal duct disease is caused by congenital dysplasia of nasolacrimal system, which usually involving bone, mucous membrane or membranous structure. It can be divided into upper lacrimal duct system and lower lacrimal duct system or both. Its clinical manifestations are mostly epiphora, or it can be combined with pyorrhea. In recent years, more and more studies are devoted to the diagnosis and treatment of congenital lacrimal duct disease, but the views of all parties are different. Therefore, in order to obtain better serve the clinical, this article reviews the latest diagnosis and treatment progress of congenital lacrimal duct disease.