Double eyelids are mainly cut through the skin of the upper eyelid to remove excess skin, muscle, connective tissue and fat, and the incision is stitched to form a permanent double eyelid. The eye shape of double eyelid incision is: 1. Parallel type: its characteristic is that the double eyelids are basically parallel; This kind of double eyelids looks dignified and foreign. 2. Open fan type: it is characterized by narrow inside and wide outside, and its shape is similar to an open folding fan; This kind of double eyelid is similar to "peach blossom eye". 3. Flat-fan type: It is characterized in that the inner side of the double eyelids is slightly narrow and the inner corner of the eyes is completely exposed; These double eyelids look gentle and innocent. 4. Crescent-shaped: it shows that the inner and outer sides of the double eyelid line are low and crescent-shaped; Such eyes are as natural and lovely as deer. 5. European style: characterized by large and exaggerated double eyelids, it will appear more atmospheric and more European and American. I suggest you go to the hospital for a face-to-face visit and choose as appropriate! I hope my answer is helpful to you!