With the continuous improvement of the economic level and the continuous opening of the mind, people’s oral health care awareness is also increasingly strengthened, there will be more and more orthodontic needs, which is bound to have a part of the people because of aesthetic and work reasons, need to accept the “invisible orthodontic”. Lingual orthodontics, as a new type of orthodontic technology, with its unparalleled aesthetics, truly achieve a set of aesthetic and functional “invisible orthodontics”. In the future of orthodontics, it will become the first choice for many people who love to have their teeth straightened. Before treatment: During treatment.