Orthognathic orthodontic clinic and craniomaxillofacial specialist clinic examination and treatment discussion unified process is as follows: 1, the initial consultation first system examination including taking facial photos, taking dental models, X-ray film examination, these three examinations can be completed on the same day; 2, after the payment of the day there is a temporomandibular joint MRI examination, the day can not be examined, need to make an appointment, this examination is currently most of the other hospitals in China can not be examined, so If a young patient has an ECT examination, the initial physician will add an ECT examination to check the growth of the jaw bone according to the actual situation, which cannot be done on the same day and requires an appointment. This discussion is usually held on Tuesday, once a week in summer and winter, and once every two weeks in other times, after the program is discussed and determined, the orthodontist will communicate with the patient in detail, which may take a whole day; 4. The orthodontist will arrange the preoperative orthodontic treatment after discussion.