Baby nasolacrimal duct obstruction is generally due to the underdevelopment of the lower end of the nasolacrimal duct, or the lower end of the nasolacrimal duct at birth mucosal folds, residual, resulting in the symptoms of obstruction and cause lacrimation, there are usually the following treatment methods: 1, self-healing: with the growth of age, most of the affected children will be healed with the development of the nasolacrimal duct, the lower section will open on its own. 2, local massage: you can use local massage methods to help it open The method of massage is specifically to put the index finger in the lacrimal sac area, regular massage and squeeze, 3-4 times a day, after each squeeze can be drops of antibiotic eye drops, adhere to a few weeks later, most can promote the lower end of the nasolacrimal duct open. 3, surgery: If after the above observation or massage treatment is not effective, generally in the baby 3-4 months of age, we should consider performing lacrimal duct exploratory surgery, artificially the lower section The lower section of the lacrimal duct is artificially torn to promote the formation of the ductalization.