Preparatory education before college. The preparatory class of Changchun University of Traditional Chinese Medicine is the preparatory education before the university, and it is a preparatory course for senior three graduates to study for about one year to adapt to the learning style of the university. After completing the one-year preparatory course, students can decide whether they can enter the undergraduate study of the selected institution according to their grades. The role of preparatory classes is to improve language performance. One-year full-time study in preparatory classes can effectively improve students' language scores, help students apply for ideal colleges and provide guidance for further studies.