Nano scarless double eyelid is actually buried double eyelid, by drawing a design line on the upper eyelid, the absorbable protein thread is buried into the upper eyelid through several specific points, causing artificial eyelid adhesion and blepharoplasty, which can naturally present the effect of double eyelid after recovery, suitable for single eyelid candidates with thin eyelids, and candidates without eyelid skin ptosis, with a more limited scope of application. Nano double eyelid surgery is less traumatic, less painful, do-it-as-you-go, no recovery period, less impact on daily life and work, and the effect is natural, delicate and exquisite, making the eyes bright and attractive. However, nano double eyelid surgery uses absorbable protein thread, which will be absorbed with the body’s metabolism, and the effect has a shorter maintenance time, usually for 3-5 years, after which the double eyelids will gradually turn into an inner double, and need to be adjusted again to achieve the effect of blepharoplasty. Nano double eyelid surgery should pay attention to the following matters in order to prolong the maintenance time of the postoperative effect, as follows: 1, avoid prolonged bowing of the head, such as long time looking at the cell phone, reading books, which can lead to the slowing down of the blood circulation of the eyes, which will lead to the occurrence of the bulboconjunctival congestion, such as the eyes suddenly red and swollen obviously, tearing of the eyes, the whites of the eyes part of the red blood is more, all because of the blood transportation is not caused by; 2, it is recommended that the makeup after one week after the operation, cosmetics It is recommended to wear make-up one week after surgery, cosmetics contain some lead and mercury, which will seriously affect the recovery of nano-scarless double eyelids; 3, do not wash your face one week after surgery, although nano-scarless double eyelids do not need to remove the stitches, but there will be a certain amount of wounds and traumas, and once the wounds touch the water, they will be infected.