【】 Objective To evaluate the effectiveness and to access the feasibility in reinforcing the quality of professional master degree student teaching by introducing the case based learning(CBL) to the course of urology. Methods thirty Professional master degree students of urology were randomly divided into two groups called CBL group and traditional group. According to the standardized training requirements of the residents

traditional groups students would have a comprehensive presentation of urology routine diseases

common operations

.The CBL groups students were provided a representative case which was consider as core of the whole learning process.After collecting relevant data and comprehending the process of treatment

teachers would summarize in the end.The two groups were evaluated systematically after nine months of different teaching methods. Results From all kinds of examinations

CBL group showed the more desirable effect than traditional group. Conclusion the CBL method applied to clinical teaching of Professional master degree students of urology could significantly promotes the effect of teaching and the quality of student.