Abstract:  Formative evaluation has become the major concerns of current medical education reform. During the course of experimental teaching of basic medicine， it's necessary to construct and optimize a formative evaluation index system， and put it into practice， in order to solve some problems caused by the traditional evaluation methods. Through a scientific， comprehensive and effective evaluation system， the mutual communication between teachers and students in teaching-learning process can be promoted， teaching and learning tragedies can be improved， and the quality of experimental courses can be enhanced.

Key words:  , basic medicine； experimental teaching； formative evaluation