Therefore, when the skin is slack, it is best to cut off the slack skin by incision. However, slight eyelid skin relaxation can be completely solved by embedding thread. Because in principle, it indirectly achieves the effect of slightly lifting the skin by stitching the levator palpebrae superioris muscle and the upper eyelid skin. Therefore, if the skin droops slightly, there is no need to choose an incision. After operation, the swelling is fast, the lines of double eyelids are natural and there is no scar. The probability of correcting simple double eyelid line is higher than that of incision. Suitable for young people with less fat on the upper face and thin and firm skin, or people with single eyelids on one side, or people with double eyelids looming. After double eyelid surgery, the wrinkles of double eyelids become shallow or disappear, which can be remedied again in this way. The method of embedding thread can obtain very natural double eyelids without any side effects, which is suitable for most people's surgical methods. Before the operation, we should choose a large hospital for surgical treatment to avoid surgical failure.