Suddenly the child’s eyes are smeared with eye droppings may be caused by conjunctivitis, keratitis and other reasons. 1. Conjunctivitis: Conjunctivitis is mainly caused by bacterial, viral, chlamydial and other microbial infections. Conjunctivitis may cause conjunctival congestion, conjunctival edema and other manifestations, and there may be a large amount of secretion, if you do not clean up the secretions on the eyes in time, the eye boogers may stick to the eyes. 2. Keratitis: Keratitis can be caused by pathogenic microbial infections, autoimmune diseases and other factors. In the acute stage of keratitis, the eyes may be afraid of light, tearing and other symptoms, and pus secretions may also appear, and at this time the eyes may be smeared with eye droppings. Parents are advised to take their children to the hospital in time to clarify the cause of the disease and follow the doctor’s instructions for treatment.