Itchy corners of the eyes may be related to overuse of eyes, allergies, dry eyes, etc.. 1. Excessive eye use: when the patient reads books or televisions for a long time, it will cause eye dryness, while rubbing the eyes on the hands will have bacteria or dust, which will stimulate the eyes and cause itchy corners of the corners of the eyes. 2. Allergy: When there is more dust or pollen in the air, when it comes into contact with the corners of the eyes, it may cause an allergic reaction in the eye tissues, resulting in localized itching symptoms. 3. Dry eye: when the lacrimal gland secretes fewer tears, it cannot moisturize the eyes in time, causing dryness of the eyes, and itching of the corners of the eyes, accompanied by foreign body sensation, photophobia and other symptoms. Itchy corners of the eyes, it is recommended to consult a doctor, follow the doctor’s instructions and then further relevant examinations, with the help of the doctor to clarify the cause, and targeted treatment or treatment.