One month after double eyelid surgery or edema may be caused by improper care or infection factors, care should be strengthened, and when there are infection factors, medication should also be administered. 1. Improper care: daily care should be strengthened to avoid eyelid compression and stimulation, do not eat stimulating food, do not drink and smoke, do not eat stimulating food, do not stay up all night, have more rest, and apply hot compresses on the local area to accelerate blood circulation and reduce the symptoms of edema. 2. Infection: when there is infection after surgery, it will also lead to edema one month after surgery, which may be accompanied by itching and pain, etc. After diagnosis, anti-infection drugs should be used for treatment, such as levofloxacin and azithromycin, etc., so that the infection factors can be eliminated in a timely manner. During the period of treatment, we should follow the doctor’s guidance, safe and reasonable use of drugs, do not arbitrarily use their own drugs for treatment.