Facial contouring is a risky project in cosmetic surgery, first of all, the doctor’s maxillofacial surgery specialist base and skills require high, and the operation of the surgery also requires specific tools, traditional maxillofacial surgery instruments need to be more refined processing transformation to adapt to the narrow oral access operation needs, otherwise it will not meet the requirements of cosmetic, but also can not achieve the best cosmetic results. The market is flooded with some so-called bone grinding, which is actually the spoken language of some simple tool operators. Strictly speaking, some surgeries of jaw angle and facial contour, a mechanical action of bone grinding alone is far from meeting the requirements of some special cases for the overall surgical tools. In addition, the effect of facial contouring surgery (mainly jaw angle osteotomy), like other cosmetic surgery projects, is also about some basic conditions, not everyone with an unattractive face can get a good-looking melon face goose egg face after surgery, the main reason is that the scope of our osteotomy is limited to the jaw angle or jaw body edge, but the components of a good-looking face include the ratio of the height and width of the face, the angle of the chin bone, and the ratio of the length and width of the head, etc. Therefore, the final result of each person is closely related to the aesthetic foundation of the candidate under the doctor’s technical and operational mastery, the following are some of my patients, and the beauty who has this requirement can compare.