文中分析了潜无穷和实无穷两种无穷观的思想,探讨了其对中学数学概念教学的启示,中学数学概念教学中可以适当地引入潜无穷和实无穷观念;结合数学史知识有利于理解数学概念;用辩证法进行数学概念教学及其应注意的问题. This paper analyzes two kinds of infinity and infinite infinity concept, explores its enlightenment to the concept of mathematics teaching in middle school, middle school mathematics concept teaching can be appropriate to introduce the concept of infinity and real infinite; combined with knowledge of mathematical history is conducive to understanding mathematics Concept; using dialectics to teach mathematics concepts and its problems should be noted.