Children’s lower eyelid redness may be allergies, bacterial infections and other diseases, you can use loratadine syrup, erythromycin ophthalmic ointment, levofloxacin eye drops and other treatments. 1. Allergy: most of the children’s lower eyelid redness and allergic reactions have a relationship, it is recommended that the patient in the doctor’s guidance local use of physiological saline cold compresses, can shrink the local capillaries, improve the symptoms of erythema and congestion. For patients with itching symptoms, oral loratadine, or oral cetirizine hydrochloride to control inflammation and itching symptoms. It should be noted that this kind of drugs may cause drowsiness, unresponsiveness and other problems, and those who are allergic to this kind of drugs are prohibited. 2. Bacterial conjunctivitis: patients are advised to use levofloxacin eye drops under doctor’s supervision, which can effectively inhibit staphylococcus bacteria, and is helpful in improving bacterial infections around the eyes. The main adverse reaction of the drug is to trigger allergic reactions such as skin rashes and erythema, and its use is prohibited if you are allergic to the drug. The above drugs should be used in accordance with medical advice. If you find redness in your child’s lower eyelids, take your child to the doctor for examination and treatment as prescribed by the doctor.