Children’s eyes are a little red, may be due to prolonged crying, if the symptoms persist for a longer period of time, to consider the conjunctivitis, inverted eyelashes and other factors. 1. prolonged crying: prolonged crying is easy to cause conjunctival congestion, which causes eye redness, or due to excessive tear secretion, resulting in eye irritation caused by the eyes, easy to cause eye redness. 2. Conjunctivitis: mainly due to bacterial and viral infections, the disease-causing factors repeatedly stimulate the conjunctival tissue, which will cause congestion and edema, resulting in red eyes. 3. Inverted eyelashes: If the eyelashes grow backwards, they may repeatedly irritate the conjunctiva and cornea, thus causing conjunctival congestion and edema, which will eventually lead to eye redness. Children’s eye redness should also be considered as a result of trauma or allergic factors, should be observed for a period of time, if the symptoms do not go away for a long time, we should consult a doctor in a timely manner.