Children watching TV with tearing eyes may be due to conjunctivitis, visual fatigue, tear duct obstruction and other factors, you should consult a doctor in time to clarify the cause of treatment. 1. Conjunctivitis: allergies, microbial infections, physical and chemical stimuli caused by conjunctival inflammation, the patient will have red eyes, dryness, tearing, fear of light, you can use topical levofloxacin eye drops, acyclovir eye drops for treatment. 2. Visual fatigue: if the child watches TV with tears in the eyes before, has a long time to play with electronic devices or read books in the place of insufficient light, should be considered to be caused by visual fatigue, the patient will also have dry eyes, eye astringency, such children should pay attention to rest, if necessary, the use of artificial tears. 3. Lacrimal duct obstruction: Obstruction of the lacrimal punctum, lacrimal duct and other tissues occurs due to various reasons, and the patient will have tearing and localized discomfort, which can be treated by surgery. All of the above medications should be administered under a doctor’s supervision.