Patients with lower eyelid edema, usually due to infectious factors, allergic factors, mechanical stimulation and systemic diseases, patients need to go to the hospital ophthalmology to identify the causes and treatment. 1. Infectious factors: eye infections are the most common cause of lower eyelid edema, such as granuloma, blepharitis, herpetic blepharodermatitis, etc., the patient can follow the doctor’s instructions to use levofloxacin eye drops, ganciclovir ophthalmic ointment and other anti-infective drug treatment. 2. Allergic factors: eye allergies can also lead to edema of the lower eyelid, and will be accompanied by local itching, such as allergic blepharodermatitis, eyelid skin eczema, etc., the patient can follow the doctor’s instructions to use tobramycin dexamethasone ophthalmic ointment, sodium cromoglycate eye drops, loratadine and other antiallergic drug treatment. 3. Mechanical stimuli: if the patient rubs the eyes or eye trauma such as impact injury, eyelid edema can occur, the patient can early local cold compresses on the eyes, 48 hours after the local hot compresses on the eyes, to relieve eye discomfort. 4. Systemic diseases: heart failure, renal failure and other systemic diseases, patients can be due to water and sodium retention, resulting in eyelid edema, but also lower limb edema, dyspnea and other symptoms. It is recommended that patients with obvious swelling of the eyelids consult a doctor to assess their condition and follow the doctor’s instructions for treatment.