Patients with itchy eyelids may be related to allergy, eye inflammation, blepharitis and so on. 1. Eye allergy: allergic patients in contact with cosmetics, hair dyes, allergic diet, contact with air pollen, willow flakes, etc., should pay attention to medication hygiene in normal times, do not rub your eyes with your hands, can be used to alleviate the discomfort of local cold compresses, and follow the doctor’s instructions to use anti-allergy drugs, such as sodium cromoglycate eye drops. 2. Eye infections: bacterial conjunctivitis, keratitis, blepharitis and other infections, in addition to itchy eyes, patients can also be accompanied by eye redness, swelling, increased secretions and other discomforts. 3. Blepharitis: Blepharitis patients in the inflammation stimulation, patients can appear eyes red, swollen, itchy and other discomforts, but also flakes, scales and other discomforts. It is recommended that patients with itchy eyelids should seek medical attention to assess their condition and follow the doctor’s instructions for treatment.