类比是根据两个对象或两类事物间存在着的相同或不同属性,联想到另一类事物也可能具有某种属性的思维方法.利用类比联想可以发现新的数学知识,利用类比可寻求到解决数学问题的方法和途径,可培养学生的发散思维、创造思维及合情推理能力.类比被誉为科学活动中“伟大的引路人”.? Analogy is based on two objects or two types of things that exist in the same or different attributes, think of another kind of things may also have some attribute thinking method.Using analogy can find new mathematical knowledge, the use of analogy can be sought to Methods and ways of solving mathematical problems can cultivate students’ divergent thinking and create thinking and affective reasoning. Analogy is praised as “the great guide man” in scientific activities.