The two training institutions have their own advantages, both of which are very good. Lean mainly does medical training and is very influential in medical education institutions. Lean adopts the teaching method of improving efficiency, adheres to the combination of basic teaching and sprint before the exam, assists students to make efficient learning plans, and adopts closed management for centralized training courses and all-round training courses. Br Northern Education is a comprehensive education and training institution, and the teaching system is an intelligent system. The online and offline dual-power teaching mode is adopted in the classroom. With the support of dual-engine learning management service, students can really master learning methods, attract knowledge points and get high marks.