Abstract: Problem-based learning(PBL) includes four aspects: writing cases, submitting questions, combing intellectual points, and organizing teaching activities. In this study, cases were compiled according to the patient′s conditions, and then questions were raised and core knowledge was sorted out. Different PBL methods were used in class and comprehensive evaluation was implemented by both teachers and students to find out the better one.

Key words: AIDS, problem-based learning, case compiling, organization and implementation, evaluation of teaching effect