Jaeger is well trained in orthodontics. Jaeger's orthodontic training course is novel and rich in orthodontic knowledge, which is easy for students to accept. Liu Hongjie, the founder of Jaeger Orthodontics, based on a zero starting point, strives to make students master the diagnosis, orthodontic design and orthodontic methods of common malocclusions with standardized orthodontic education mode through concise and practical theoretical teaching and practical operation drills, so that they can calmly deal with common difficult malocclusions and be competent for orthodontic clinical work.