Eye allergy does not have the best treatment, mainly symptomatic to the cause of general treatment, local medication, systemic medication, commonly used drugs are mainly dexamethasone eye drops, cetirizine hydrochloride and so on. 1. General treatment: eye allergy is mainly caused by contact with allergens, the first thing is to stay away from allergens, avoid contact with pollen, raw onions, garlic, etc., and stop using all eye cosmetics. 2. Topical medication: eye allergies often cause itching in the eye area, conjunctival congestion and other symptoms, you can use topical dexamethasone eye drops, sodium cromoglycate eye drops and so on, to relieve the symptoms. 3. Systemic medication: If eye allergy is more serious, it is often necessary to take oral anti-allergy drugs, such as cetirizine hydrochloride, loratadine, to alleviate the symptoms of allergy. If eye allergies occur repeatedly, it is best to go to the hospital for allergen testing to avoid repeated exposure.