Children’s eyes suddenly a lot of eye boogers, considering the possibility of nasolacrimal duct blockage with lacrimal cystitis, conjunctivitis, etc., you can use the general treatment, erythromycin ophthalmic ointment and other medications, and if necessary, surgical treatment. 1. Nasolacrimal duct obstruction with lacrimal sac infection: small children, especially small infants, some will have congenital obstruction of the nasolacrimal duct, and it is easy to secondary lacrimal sac inflammation over time, which is manifested as a lot of eye boogers suddenly. You can massage your nose and use levofloxacin eye drops to control the dacryocystitis. If the symptoms persist, it is necessary to seek medical attention, under the ophthalmologist’s evaluation, to carry out tear duct irrigation or tear duct unblocking surgery. 2. Conjunctivitis: It is also a common cause for children’s eyes to suddenly have a lot of eye boogers, accompanied by conjunctival congestion, edema, photophobia and tearing. You can use erythromycin ophthalmic ointment to control the local infection. Children’s eyes suddenly a lot of eye, there may be other reasons, such as pharyngoconjunctival fever, etc., it is recommended to consult a doctor in a timely manner, to identify the cause of the cause of treatment, the above medication as prescribed by the doctor.