Reverse (alveolar) teeth are often caused by the front teeth reverse (alveolar), i.e., incisors reverse (alveolar) by family members or their own concerns, affecting the aesthetic and facial shape. Anti (alveolar) teeth are generally divided into dental, functional and bone three types, the correction methods are as follows: 1, simple dental anti (alveolar) can be solved by simple bite cocking method, or through the movable orthodontic appliances; 2, functional anti (alveolar) can be used to stimulate the development of the patient’s maxillary bone, slightly inhibit the development of the mandibular bone, to achieve the purpose of orthodontic treatment; 3, for the bone anti ( For patients with bony anticuspension, if found early, the intervention can be started in the late teething period, which can be done by expanding the arch in the oral cavity, and then pulling the maxilla forward with anterior traction to achieve the purpose of lifting the anticuspension. For very severe ankylosis, the effect of orthodontic intervention alone is often not obvious, and it is necessary to wait until adulthood for orthognathic surgery and orthodontic treatment.