Eyelid itching, redness, swelling and peeling, may be related to eczema, canthus blepharitis, allergic dermatitis, etc., need to be diagnosed by a doctor with a slit-lamp microscope and other tests, according to the different causes of targeted treatment. 1. Eczema: It is a kind of allergic disease caused by many factors, and can be treated with antihistamine drugs such as chlorpheniramine maleate under the guidance of a doctor. 2. canthus blepharitis: mostly caused by Mo-A bacillus infection, can also be related to vitamin B2 deficiency, need to be under the guidance of the doctor to apply zinc sulfate eye drops for treatment, if necessary, can be appropriate supplementation of vitamin B2. 3. Allergic dermatitis: eyelid skin contact with cosmetics, willow floss and other allergens caused by allergies, eyelid itching, redness, swelling and peeling of the skin, this situation needs to be away from the allergens at the same time, under the guidance of the doctor to carry out anti-allergy treatment, such as taking cetirizine hydrochloride tablets. Itchy, red, swollen and peeling eyelids, you need to consult a doctor in time for slit lamp microscopy and other auxiliary examinations, and after diagnosis, treatment under the guidance of a professional doctor. Drugs should be used in accordance with the doctor’s instructions, to avoid the adverse effects caused by self-medication.