Among the artists, there are two operations. They can not only improve the function of the chin, but also shape the perfect face. In particular, it can make a long and flat face smaller and rounder, thus achieving a good plastic effect. Not only can the face be beautiful, but more importantly, the inconvenience of upper and lower teeth can be improved. These two operations introduced by Chen Yuan Plastic Surgery are also called stereoscopic plastic surgery, which can achieve 3D stereoscopic effect.