Itchy eyes may be caused by eye fatigue, allergic conjunctivitis, dry eye and other reasons, patients can be relieved by medication, daily maintenance and so on. 1. Eye fatigue: eye fatigue can be caused by overuse of eyes, prolonged use of electronic products, etc., and itchy eyes can occur. You need to pay attention to eye rest, you can relieve eye fatigue by looking into the distance, eye exercises. 2. Allergic Conjunctivitis: As the patient’s eyes come into contact with allergens, it may lead to allergic conjunctivitis. It can be treated with anti-allergy drugs such as Olopatadine hydrochloride eye drops under the guidance of doctor. 3. Dry eye syndrome: Dry eye syndrome caused by wearing contact lenses, eyelid skin relaxation, etc., will appear in the eyes good itchy phenomenon. You can use saline solution to relieve the symptoms under doctor’s guidance. If the situation is serious, you can close the small tear points for treatment. When the patient has the phenomenon of itchy eyes, it is recommended to consult a doctor in time, diagnosed by a professional doctor and given reasonable treatment.