Constructivist theory holds that teaching should be student-centered learning is an active process that plays an important role in mineral petrology experimental teaching. In this paper, the author of its own practical teaching experience, taking into account the characteristics of the mineral petrology experimental teaching, constructivist theory expounded the meaning and content of mineral- based analysis of the role of experimental petrology teaching constructivist theory, put forward the theory of constructivism experimental Mineralogy, Petrology and guiding role of teaching in order to pr...