Children always have eye boogers may be caused by dacryocystitis, conjunctivitis, inverted eyelashes and other reasons. 1. Dacryocystitis: It is due to the narrowing or blockage of the nasolacrimal duct, causing eye infections, there will be an increase in the performance of eye secretions, but also accompanied by tear overflow, tear sac area pressure, swelling and other symptoms. Treatment generally requires topical medication to control infection and surgical treatment to unblock the tear duct. 2. Conjunctivitis: is an inflammation of the conjunctiva, can be caused by infection, irritation, etc., can be manifested as increased ocular discharge, accompanied by a foreign body sensation in the eye, burning sensation, photophobia, tearing and other symptoms. Treatment should be based on the cause of the disease, such as the presence of infection requires local anti-infection treatment. 3. Inverted eyelashes: the eyelashes are inverted to the eyeball, stimulating the cornea, conjunctiva and caused by the increase in eye discharge, eye redness, eye pain, tearing, photophobia, foreign body sensation and other symptoms. Mild cases can be directly removed eyelashes, or the use of electrolysis and other methods, serious need for surgical correction. When children have eye discharge for a long time or with other discomforts, they should be examined by a doctor to clarify the cause of the disease and be treated reasonably.