Red itchy corners of the eyes should be targeted with eye drops depending on the cause. Red itchy eyes may be caused by allergic conjunctivitis, bacterial conjunctivitis and so on. 1. Allergic conjunctivitis: it is a kind of allergic disease, usually manifested as itchy eyes, tearing, foreign body sensation in the eyes, swelling and redness of the eyelids and other symptoms, which may appear as red itching at the corners of the eyes. Treatment can be used for a short period of time to relieve eye congestion with vasoconstrictors such as naphazoline hydrochloride eye drops, and glucocorticosteroids such as dexamethasone eye drops can also be used for patients with serious conditions. 2. Bacterial conjunctivitis: Conjunctivitis caused by bacteria can also lead to red itchy eyes. It can be treated with antibiotics such as levofloxacin eye drops and tobramycin eye drops. All of the above drugs should be used in accordance with medical advice. It is recommended that patients go to the hospital in a timely manner, to clarify the cause of the disease, under the guidance of the doctor for treatment, do not self-medication, so as not to cause adverse consequences.