“立体几何”是高中《数学二》必修中的一个重要的数学模块,《数学新课程标准》对“立体几何”明确要求:学会将自然语言转化为图形语言和符号语言,使学生在感知的基础上,认识空间中的点、线、面之间的位置关系,进一步了解平行和垂直关系的基本性质以及判断定理.并能解决一些简单的推理论证.这一模块在江苏高考中是每年必考的知识. “Three-dimensional geometry ” is an important mathematics module in high school “math two” compulsory, “new mathematics curriculum standard” “three-dimensional geometry ” clear requirements: learn natural language into graphic language and symbolic language, On the basis of perception, students recognize the position relationship between points, lines and planes in space, and further understand the basic properties of parallel and vertical relations and the judgment theorem, and can solve some simple reasoning arguments.This module is based on the Jiangsu college entrance examination In the annual exam will be the knowledge.