针对机械类专业《单片机原理与接口技术》课程教学过程中出现的问题,从专业背景的角度出发,分析了问题形成的原因,并提出了一种单片机原理与接口技术课堂教学改革措施。实践证明,该措施能够有效提升教学效果,提高学生对本课程的掌握水平。 Aiming at the problems occurred in teaching process of the course “Microcomputer Principle and Interface Technology” of mechanical specialty, the reasons for the formation of the problem are analyzed from the perspective of professional background, and a classroom teaching reform measure of the principle and interface technology of single chip microcomputer is put forward. Practice has proved that this measure can effectively improve teaching effectiveness and improve students’ mastery of this course.