本文提出一种可摘式磁力矫治器设计，试用于替牙期功能性ＡｎｇｌｅⅢ类错　的矫治，取得肯定疗效，该设计不同于普通舌簧　垫矫治器，不通过改变切牙唇舌倾斜度以矫治前牙反　，而是利用磁力使下颌后退以改善颌间关系，上下颌矫治器的分体设计可增加矫治器戴用时间，较少影响口腔功能，克服了某些连体设计的功能性矫治器的缺点。 This paper presents a removable magnetic appliance designed to try for the correction of Angle Angle Class Ⅲ malocclusion, and achieved a positive effect, the design is different from the ordinary tongue pad appliance, not by changing the inclination of the incisors to correct Instead of anterior teeth, the use of magnetic force to make the mandibular recumbent to improve the intermaxillary relationship, split the mandibular appliance split design can increase orthodontic wear time, less affect the oral function, to overcome the functional design of some conjoined Disadvantages of the device.