Objective To explore the effect of case teaching method combined with computer assisted instruction (CAI) on clinical medical undergraduate psychiatric symptoms of teaching. Methods The 101 five -year undergraduate students of clinical medicine specialty in grade 2010 and 2011 were randomly divided into the observation group (52 cases) and control group (49 cases). The control group was taught with traditional teaching method, and the observation group is given with case teaching method combined with the CAI courseware of multimedia teach...