Children’s eyes are red and swollen, which may be caused by eye fatigue, or due to conjunctivitis and impingement. 1. Eye fatigue: if the child looks at the cell phone for a long time, reads the computer, reads a book for a long time, etc., after the eye fatigue, the conjunctiva can be congested, which causes the child’s eyes to be red and swollen. 2. Conjunctivitis: Conjunctivitis is related to viral, bacterial and protozoal infections, as well as immune factors, etc. Under the stimulation of inflammation, children may have red, swollen, itchy eyes, increased secretion and other uncomfortable symptoms. 3. Inverted eyelashes: If the child’s eye lashes grow upside down and irritate the conjunctiva, it may cause eye discomfort, redness, swelling and pain, tearing, blinking and other symptoms. It is recommended that children with obvious redness and swelling of the eyes should consult a doctor in time to assess their condition and follow the doctor’s instructions for treatment.