Double eyelid plastic surgery, commonly known as double eyelid surgery, is a very shaped operation in plastic surgery. There are several surgical methods: double eyelid catgut embedding, double eyelid incision, double eyelid suture, skin grafting and so on. At present, the most commonly used methods are double eyelid catgut embedding and incision. Generally speaking, double eyelids visually enlarge the outline of the eyes, increase the three-dimensional sense of the eyes, make the eyes bigger and the eyelashes upturned, giving people a vivid and vivid feeling. The single eyelid is thick, the eyelashes are drooping, the eyes are obviously smaller, the eyes are dull, and there is no breath of life; In addition, orientals have more single eyelids, accounting for more than 50%, so many people seek surgery.