概念是初中生物教学的重要内容之一。对生物概念的掌握与运用是生物学教学过程的重要任务。影响学生掌握生物学概念的原因很多,因此有必要从概念直观化、情境化等方面使概念立体化方面谈起,从而提高概念教学的有效性。 The concept is one of the important contents of junior biology teaching. Grasping and using biological concepts is an important task in the biology teaching process. There are many reasons that affect the students to master the concept of biology. Therefore, it is necessary to discuss the three-dimensional concept from the aspects of concept intuition and contextualization so as to improve the effectiveness of concept teaching.