Orthognathic surgery is a means of solving dental and facial deformities, for example, for mandibular protrusion and maxillary retrusion, which is also known as geodesic deformity, it is usually necessary to carry out the maxillary LeFort I osteotomy anteriorly and mandibular ascending sagittal splitting and retrusion, which is a relatively large operation, and it requires the patient to be on a longer period of fluids after the operation, and the cleaning of the oral cavity can only be rinsing, and it usually requires a bandage for 5 days, and it proposes a minimally invasive concept, and the patients can usually have their dressings removed the second day after the operation, and the patients can brush their teeth and can eat soft food, so that the quality of life of the patients in their recovery period after the operation is not very different from that of the preoperative period.