Patients with eyelid redness, swelling, itching, may be contact dermatitis, blepharitis, angioedema and other causes, the patient can follow the doctor’s instructions to use medication, personal care and other ways of treatment, to promote the recovery of the condition. 1. Contact dermatitis: contact dermatitis patients can follow the doctor’s instructions to use medication, such as hydrocortisone ointment, tacrolimus cream, etc., to reduce local inflammation, relieve the patient’s eye itching and other uncomfortable symptoms. Daily patients also need to avoid contact with irritating substances, maintain local hygiene, avoid scratching. 2. blepharitis: blepharitis patients can follow the doctor’s instructions to use gentamycin ophthalmic ointment, erythromycin ophthalmic ointment and other medications to control inflammation and improve the patient’s discomfort. Patients also need to pay attention to eating light, easy to digest food, pay attention to eye rest, avoid staying up all night. 3. Angioedema: patients with angioedema can follow the doctor’s instructions to use antihistamines, such as loratadine, cetirizine, etc., to relieve local edema, itching and other symptoms. It is recommended that patients with red, swollen and itchy eyelids should consult a doctor to assess their condition and follow the doctor’s instructions for treatment.