机械制图是中等职业技术学校机械专业的一门重要技术基础课。其主要任务是培养学生画图及看图的能力,围绕这一核心任务,在整个教学过程中注意培养学生的自主学习能力、动手能力、表达能力、空间想象能力、创新能力、审美能力。本文以机械制图课程中绘制简单二维图形为例进行单元教学设计,以期提高学生的学习热情和教学效果。 Mechanical drawing is a secondary technical school mechanical engineering an important basic course of technology. Its main task is to cultivate students ’abilities of drawing pictures and reading pictures. Around this core task, we should pay attention to cultivating students’ autonomous learning ability, practical ability, expressive ability, spatial imagination ability, innovative ability and aesthetic ability throughout the teaching process. In this paper, drawing a simple two-dimensional graphics in mechanical drawing course as an example of unit teaching design, with a view to enhancing students’ enthusiasm for learning and teaching effectiveness.