Most lacrimal ducts in infants do not heal on their own. This is because the presence of lacrimal duct obstruction can easily cause inflammation, and repeated chronic inflammation can lead to aggravation of the lacrimal duct obstruction. Therefore, if it is determined that there is a tear duct obstruction, the following methods can be used: 1, give a local massage, rub the bridge of the nose and the middle of the eye with the index finger, pay attention to the application of baby lubricant, in the massage clockwise massage, inward and downward, each time about 1-3 minutes, 4-5 times a day, most will be significantly improved. 2, tear duct exploration, you can go to the eye for professional tear duct exploration, most need 2-3 times to heal. .