“信号与系统”是通信工程专业、电子信息工程专业和物联网专业的重要技术基础必修课,是一门理论性、实践性都很强的课程,而且又是后续专业课程讲授内容中不可缺少的必要基础。结合多年的教学经验,针对目前该课程的教学现状和存在的问题,从教学内容、教学方法和教学手段几个方面介绍了教学改革中的思路,实践表明,该改革对本课程教学质量和教学效果的提高是有益的。 “Signal and System ” is an important compulsory course for major of communication engineering, electronic information engineering and internet of things, which is a theoretical and practical course which is also a follow-up major course Indispensable necessary foundation. Combined with years of teaching experience, according to the current teaching status and existing problems of this course, this article introduces the train of thought in teaching reform from the aspects of teaching content, teaching methods and teaching methods. Practice shows that the reform has a positive effect on teaching quality and teaching effect The improvement is helpful.