本文抓住分类讨论数学思想的概念、原则及类型,从分类讨论思想应用的途径和方法等方面对高中数学教学中分类讨论思想运用问题进行了阐述。 This article seizes the concept, principle and type of categorical discussion of mathematical thought, expounds the application of the classified discussion thought in high school mathematics teaching from the ways and methods of application of classified discussion thought.