唯物主义和唯心主义、辩证法和形而上学的认识论根源是马克思主义哲学原理课教学中的一个难点。现行教材对这个问题的阐述不够清晰、明确。文章分析了现行教材存在的问题，并把唯物主义和唯心主义同辩证法和形而上学按其内在联系统一起来加以阐述。只有用唯物而辩证的思维方法去认识问题，克服唯心而形而上学的思维方法，才能获得唯物而辩证的正确认识 The epistemological roots of materialism and idealism, dialectics and metaphysics are a difficult point in the teaching of philosophy in Marxism. The current teaching materials on this issue is not clear enough clear. The article analyzes the problems existing in the teaching materials, and elaborates the union of materialism and idealism with dialectics and metaphysics based on their internal relations. Only by using the dialectical thinking method of materialism to understand the problem and overcome the idealistic and metaphysical thinking method can we obtain the correct understanding of materialism and dialectics