Mandible reshaping is performed by means of surgical to excision osteotomy, bone grinding, masseter, etc. The mandibular angle of the person is corrected. It is a face contour reconstruction surgery to transform a square face or a trapezoidal face into an oval face.

Because the surgical technique is very difficult, the risk and trauma will be greater.

A plastic surgery hospital in Beijing hopes to achieve a success rate in predicting a surgical plan. Through force analysis of the mandible, mandibular muscles related to the mandibular muscles, wing muscles, exoskeleton muscles, and diaphragmatic muscle force were used to observe the force and deformation situation of the mandibles of the postoperative patients, thereby judging the surgical plan.