Double eyelid incision, commonly known as "double eyelid traction", is to completely cut the skin through the normal operation steps of surgical double eyelid surgery to remove redundant muscle and adipose tissue, and in some cases, it is necessary to cut off some redundant skin. Then suture it with surgical thread to heal it. After recovery, the double eyelid line can be formed according to the design line before double eyelid plastic surgery. After double eyelid incision, it usually swells for three days, and then it begins to enter the swelling period. After taking out stitches for about five days, the swelling obviously subsided, but it took 1-3 months to fully recover.