计算机课程经常涉及抽象的工作原理。仅靠讲解描述,学生很难理解这些原理,经常反馈说“太抽象,不好懂”。我们发现纸上原型是帮助学生掌握理解抽象的工作原理的好工具。纸上原型是通过在纸上绘图和剪纸制作而成的纸质实体模型。纸上原型能起到化虚为实的作用,也就是把抽象的概念映射成具象的纸制品。除了拥有绘图的表达力之余,纸上原型还能动态演示系统工作过程。纸上原型制作成本低、时间可控,门槛低,便于学生参与。本文描述了纸上原型在人机交互课程和计算机基础课程中的应用,并指出了在其他课程中的应用机会。 Computer courses often involve abstract working principles. Rely on the description, students are hard to understand these principles, often feedback that “too abstract, do not understand ”. We found that paper prototyping is a great tool to help students master the understanding of how abstract works. Paper Prototype is a paper solid model made by drawing and paper-cutting on paper. Prototypes can play the role of virtual reality, that is, the concept of abstract mapping into a concrete paper products. In addition to having the expressive power of drawing, prototypes on paper can also dynamically demonstrate system work processes. Paper prototype production costs low, time controllable, low threshold, easy for students to participate. This article describes the use of paper prototypes in human-computer interaction courses and computer-based courses and points out opportunities for application in other courses.