A 4-year-old baby with heavy, yellow, sticky eye discharge is considered to have conjunctivitis. Conjunctivitis infections can be categorized into bacterial and viral. Conjunctivitis infection can be categorized into bacterial and conjunctivitis infections. Bacterial infections are characterized by yellow, thick and sticky discharge, while viral infections are characterized by an increase in aqueous discharge, so the baby is considered to have a bacterial infection. You can use tobramycin eye drops, 1 drop each time, 4 times a day, for 3-5 days can be improved. At the same time, pay attention to personal hygiene, avoid cross-infection, basin, towel should pay attention to sterilization. Pay attention to light diet, avoid stimulation, spicy food, eat more fresh vegetables and fruits.