Red and swollen eyelids in babies are a frequent phenomenon, usually when parents suddenly notice how their children’s eyes are swollen, and some children can also be accompanied by some other eye symptoms. So, how to deal with the red and swollen eyelids of babies? First of all, we must clarify the cause of the eyelid redness and swelling. In the summer is often seen in mosquito bites, usually one side of the eye is red and swollen, careful observation can be found on the eyelid traces of mosquito bites. If the eyelid is red and swollen, you can feel a soybean or green bean size pimple, this is considered a whealsore or chalazion, this case can be localized with Topaz eye drops and erythromycin eye ointment, if necessary, local surgery to remove. If the eyelids are red and swollen with tearing and itchiness, then it is considered to be caused by allergies and the child can be given some anti-allergy medication, such as dexrazoxane drops or cetirizine drops. Some children have red and swollen eyelids along with more yellow eye droppings, which means that the child has a bacterial infection causing conjunctivitis, in which case it is okay to give the child drops of Topaz eye drops and erythromycin eye ointment, and pay attention to the child’s hand hygiene to prevent further contamination of the eyes by dirty hands. There are still many reasons for the redness of the baby’s eyelids, so we must first diagnose and then treat the cause.