4-year-old baby eye droppings more yellow sticky is what reason

4-year-old baby eye droppings and yellow sticky consider is that children like to rub eyes, leading to infection of pathogenic microorganisms, caused by conjunctivitis, in addition to children often use eyes, or lack of sleep, may also appear this phenomenon. Suggestions: you want to let children use less eyes, if conjunctivitis, you can let children use anti-inflammatory eye drops treatment.