《机械制图》是机械类专业学生的必修课,通过图样表示机械的构成、形状比例大小、工作原理等一门学科。随着经济社会的快速发展,产品中国制造向中国创造的转化,《机械制图》在中职学生的教学中显得非常重要,但在日常教学中,由于学生生源的差距,思维能力和空间想象能力的不同,学习兴趣的高低,学科教师对学科的掌握情况的不同及教学方法的差异,该门课教学现状并不容乐观,长期困扰着广大师生。本文对学生的学习障碍成因进行了认真分析,并结合长期的教学实践,提 Mechanical drawing is a compulsory course for students majoring in mechanical engineering, which shows the composition of machinery, the proportion of shapes, the working principle and so on. With the rapid development of economy and society and the transformation made by China made by China to China, “mechanical drawing” is very important in the teaching of secondary vocational students. However, in daily teaching, due to the gap between students, thinking ability and spatial imagination The level of interest in learning, subject teachers’ grasp of the different disciplines and differences in teaching methods, the status quo of the course is not optimistic, plagued teachers and students for a long time. This article has carried on the careful analysis to the student’s learning disability origin, combined with the long-term teaching practice,