The case based teaching was inserted in the lecture based teaching in clinical microbiology. The teachers conducted the case based teaching through proper selection of cases

leading students to discuss and analyze cases. The students explored and reported from the cases independently. Finally

the teachers summarized and evaluated from the case based teaching. The combination of case based teaching and lecture based study was not only stimulated the students' interest in learning and motivation

consolidated the theoretical knowledge of students

cultivated the students' abilities of self-learning and clinical idea

made the correlation between the theory and the clinical practice closely. These methods improved the teaching quality of clinical microbiology.