Children’s eyelids suddenly swollen consider angioneurotic edema, urticaria or drug dermatitis may be more likely. Mostly due to allergic factors, may be due to contact with tree hair, willow, dust mites, powder mites and other inhalation of substances caused by allergies. It may also be caused by the application of eye drops, eye ointment, etc. Clinical treatment requires anti-allergy treatment, oral dicloxacillin dry suspension or loratadine syrup. If there is no significant improvement in the condition, oral compound glycyrrhizic acid capsule can be taken. If there is still no obvious relief, you can inject Chlorpheniramine Maleate Injection, together with intravenous Glycyrrhizin Compound Injection for anti-allergy treatment. During the treatment period, the above triggers should be avoided, and highly allergic foods such as beef, mutton and seafood should be avoided.