There are two types of tears in the eyes: 1, increased tear secretion, mainly due to various inflammatory or stimulation of the eye surface caused by the active lacrimal gland secretion of tears, generally seen in conjunctivitis, blepharitis, lacrimal glanditis, uveitis, etc., will stimulate the reactive increase in tears, treatment is mainly the treatment of the primary disease, the primary disease treatment will naturally reduce the tears. 2, increased tears are mainly due to Tear duct inaccessibility, that is, the tear dots, the common tear duct or the nasolacrimal duct narrowing or obstruction, will lead to tears out of the poor, resulting in tears, mainly for the tear duct system for tear dilation, tear duct flushing, tear duct exploration, or even tear surgery for treatment.