The itchy tear trough of the eye is usually caused by allergic conjunctivitis, which can be treated with anti-allergic eye drops or hormone eye drops, commonly used are Olopatadine hydrochloride eye drops, Flumethasone eye drops and so on. The itchy tear trough of the eye is usually caused by allergic conjunctivitis triggered by local conjunctival tissues in contact with allergens such as pollen, willow flakes, smoke and dust. 1. Anti-allergic eye drops: patients can wash their face with water to remove local allergens to relieve symptoms, while using anti-allergic eye drops to control allergic symptoms by inhibiting histamine receptors and preventing mast cells from degranulating, commonly used are olopatadine hydrochloride eye drops, ketotifen fumarate eye drops and so on. 2. Hormone eye drops: if the simple use of anti-allergy eye drops treatment effect is not good, you can also short-term use of hormone eye drops to inhibit the allergic reaction, commonly used fluticasone eye drops. Eye tear caruncle site itchy, should promptly consult a doctor, improve the examination, under the guidance of a professional physician standardized medication, prohibit self-medication, in order to avoid adverse consequences.