“…CBL group adopts clinical case-based learning for teaching, specifically includes: (1) set up a special teaching group with professional doctors as teaching teachers and the teachers of each group completed teaching guidance and operation training for medical students [ 20 ]; (2) typical cases with common clinical manifestations are selected for medical students to learn based on their major and teaching content, and the selected cases should have detailed diagnosis and treatment process and complete clinical data [ 21 ]; (3) the teacher should combine the questions with the materials and clinical practice, design representative teaching questions, and ask the medical students to look up relevant information within a specified time [ 22 ]. If necessary, the teacher should give some guidance and help the medical students to get familiar with the basic situation of the case; (4) during clinical ward rounds and diagnosis and treatment, medical students should be asked to watch and learn, and then the clinical data, general information, imaging data, laboratory examination results, and other indicators of patients are introduced in detail, and relevant questions are put forward for students to think and solve by themselves [ 23 , 24 ]; (5) carry out group discussion, summarize problems encountered in clinical events into PPT for report, and discuss with other medical students to solve [ 25 , 26 ]; and (6) during the group discussion of medical students' practice, the teacher shall be responsible for the analysis of important points, give reasonable guidance to the direction, depth and breadth of the discussion of medical students, and check and fill up the gaps. Finally, the medical students' individual summary is made to cultivate the ability of medical students to deal with problems alone, study independently and work in a team [ 27 ].…”