Children cough and a lot of eye droppings may be acute bronchitis combined with acute conjunctivitis symptoms, but also may be and acute respiratory tract infections combined with the symptoms of the nasolacrimal duct, specific analysis is as follows: 1. Acute bronchitis combined with acute conjunctivitis: children’s cough may be bacterial, viral or mycoplasma infections caused by acute bronchitis symptoms, if also accompanied by increased eye droppings phenomenon, may be caused by acute conjunctivitis, and also accompanied by conjunctival congestion of the adverse reaction. 2. Acute respiratory tract infection combined with nasolacrimal duct incompetence: children with nasolacrimal duct incompetence, there will be frequent tearing, eye boogers increase in the phenomenon, in the combination of acute respiratory tract infection, there will be a cough, a lot of eye boogers. Children cough and a lot of eye boogers may also have other reasons, it is recommended to go to the hospital in time, improve the examination to clarify the cause of the disease, and then give targeted treatment or treatment.