Objective To investigate the effect and feasibility of problem-based learning teaching model in case discussion and its influence on the cultivation of medical students' practical ability in primary hospitals under the guidance of the synergy of medical education. Methods Interns from this hospital of the year 2017 were chosen as subjects. Those who were organized by science and teaching department with PBL model in case discussion were observation group

while those who were organized in traditional case discussion by clinical departments were control group. Questionnaires were filled in and effects between two groups were compared. Results In both the cognitive and affective domain

PBL teaching group scored higher compared with traditional teaching group (P=0.000). Conclusion Under the current situation

carry-ing out PBL teaching model has certain feasibility and practical significance in primary hospitals and is more suitable for the development of medical cooperation between colleges and hospitals.