论述了机械设计系列课程体系改革的必要性，分析了国内外机械设计系列课程的教学体系，重点介绍了机械设计系列课程新的教学体系的内容，并规划了教改实践的方法和步骤。 This paper discusses the necessity of reforming the curriculum system of mechanical design, analyzes the teaching system of mechanical design home and abroad, emphasizes on the content of the new teaching system of the series of mechanical design, and also plans the methods and steps of teaching reform.