1, the traditional micro-precision facial modification needs to make a wound of about 3 cm, and the recovery time needs 1 week. However, it only takes 3 mm minimally invasive surgery to change the shape of SM bees' eyes, the recovery time is only 1 day, the surgical wound is reduced by 10 times, and the recovery time is shortened by 6 days. 2. Traditional fine face modification takes about 2 hours, while SM peak eye modification takes only 3 seconds.