During orthodontic treatment, any force applied to the treated teeth to move them must simultaneously produce a force of opposite direction and the same magnitude, and the situation that supports this reaction force caused by moving the orthodontic teeth is called “bracing”. The most common clinical situation is the anterior protrusion of the upper teeth, and the commonly known “rabbit teeth” orthodontic process will be repeatedly mentioned by the doctor and the patient support resistance problem. In terms of strength, traditional bracing is divided into mild, moderate and severe bracing. Only the correct design and good control of the support resistance, so that “the teeth that should move, should not move the teeth do not move”, in order to achieve high-quality orthodontic results. Implant bracing is a newly emerged technology in recent years, which is a micro-implant titanium nail implanted into the bone, using the bone as the bracing, which can meet the demand for bracing in the orthodontic process, and has become a hot spot for basic research of orthodontists at home and abroad. At present, the implantation site of the implant commonly used in the oral cavity is mainly the posterior region of the molar. The implant to be repaired in the gap of missing teeth can be used as both the implant support and the base of the denture restoration, which is economical and convenient, and the posterior region of the molar and the palate can be chosen as the implantation site when the gap between the complete teeth or the extracted teeth needs to be closed. This new type of intraoral support can accomplish various types of orthodontic movements such as tooth tilting, turning distance, rotation, pressing in, elongation, etc. It is very effective for cases that require strong support, gingival smile, and need to depress molar teeth before restoration, and has great potential for clinical application. The most important advantage is that the support is sufficient, so that the extraction gap can be fully utilized and the anterior teeth can be maximized, thus improving the orthodontic effect, which is called “absolute support” in orthodontics. The disadvantage is that it adds an extra cost to the patient and there is a certain risk of loss, but with the continuous improvement of the surgical technique, the rate of loss is extremely low.