The edema in children’s eyes is mostly caused by allergic conjunctivitis, which leads to itchy eyes, and the edema in the white of the eyes will appear after children rub their eyes hard due to itchy eyes. Therefore, the main treatment for eye edema is to treat the allergy. Orotadine drops are usually used for children as an anti-allergic topical treatment, and can be used 2-3 times a day, 1-2 drops each time, usually in both eyes, because allergies are basically a bilateral disease. At the same time, if the edema is strong or the eye itching is strong, oral loratadine or cetirizine can also be taken orally to supplement the systemic anti-allergy treatment, which is quite beneficial for the absorption of edema and allergy treatment.