三维想象能力是在观察的基础上 ,运用三维的、运动的、联系的观点 ,对物质进行模拟、剖析、综合的思维过程。在化学教学中教师应重视对学生观察能力和空间想象能力的培养。1　利用直观模型 ,建立空间概念要培养学生的三维想象能力 ,必须让学生在大脑中储存想象的基本素材 ,知识 The three-dimensional imaging ability is based on observation, using three-dimensional, motion, and connection perspectives to simulate, analyze, and comprehensively think about matter. In chemistry teaching, teachers should pay attention to the cultivation of students’ ability to observe and space imagination. 1 Using an intuitive model to establish a spatial concept to cultivate students’ three-dimensional imagination, we must allow students to store the basic material of imagination and knowledge in the brain.