设计目的　三棱锥体积公式的证明 ,按课本的证明方法去讲 ,不能体现证明方法的一种合理的发现过程 ,定理证明的教育功能得不到应有的发挥 ,不利于培养学生的创造意识与创造能力 .类比思维是一种创造性思维 ,尽管由类比所得的结论不一定正确 ,但对发展学生的创造性思维有重要作 The proof of the design of the triangular pyramid volume formula is based on the proof method of the textbook, which cannot reflect a reasonable discovery process of the proof method. The educational function of the theorem proves that it cannot be used properly, which is not conducive to the cultivation of students’ sense of creativity. Creativity. Analogical thinking is a kind of creative thinking. Although the conclusion from analogy may not be correct, it is important to develop students’ creative thinking.