The 6-year-old child’s eye boogers are particularly heavy, mainly caused by conjunctivitis, dacryocystitis and eyelid entropion, which can be judged according to other symptoms. 1. Conjunctivitis: not paying attention to hygienic habits, rubbing the eyes with dirty hands can easily lead to germs infection, which can easily cause conjunctivitis, at this time there will be a series of manifestations such as excessive secretion of eye boogers and conjunctival congestion. 2. Dacryocystitis: some children born with developmental abnormalities, tear duct obstruction tear fluid can not be discharged through the tear duct will enter the nasal cavity, which will lead to dacryocystitis. Children with dacryocystitis will not only have more secretion of eye boogers, but also have the manifestation of overflow of tears from the lacrimal sac. 3. Eyelid inversion: a kind of congenital dysplasia manifestation, the nasal trunk is congenitally underdeveloped, there is no effective support for the eyes, there will be eye stinging, tearing as well as excessive secretion of eye boogers. There are more reasons that lead to the 6-year-old child’s eye boogers are particularly high, it is recommended to take the child to the regular hospital for consultation.