钢筋混凝土结构是中职道路桥梁工程技术专业的一门理论性很强的专业基础课,也是本专业课程体系中的教学难点。就中职学生特点而言,他们基础知识薄弱,主观学习能动性不足,形象思维能力相对强于抽象思维能力,因此,丰富教学手段和素材,精心设计和优化每一个教学单元,化繁为简,变抽象为形象,方能迎合中职学生,破解教学难题。本文以“预应力混凝土结构基本概念”为例,对优化钢筋混凝土结构课程的教学单元设计进行了探讨与实践。 Reinforced concrete structure is a theoretical basis of secondary vocational road and bridge engineering technology professional basic course, but also the teaching difficulties in this professional course system. As far as the characteristics of secondary vocational students are concerned, their basic knowledge is weak, subjective learning is not motivated, and their ability of image thinking is stronger than that of abstract thinking. Therefore, they enrich teaching methods and materials, carefully design and optimize each teaching unit, Abstraction as the image, in order to cater to vocational students, crack teaching problems. In this paper, “basic concepts of prestressed concrete structure” is taken as an example to discuss and practice teaching unit design of the course of optimizing reinforced concrete structure.