作者根据长期的工作经验，总结了机车车辆设计的方法；指出了铁路运用部门和机车车辆生产厂家设计部门在机车车辆设计观点上的差异及其取得协调一致的必要性；指出了机车车辆设计技术成熟必须经历的过程；提出了今后铁路机车车辆设计的研究课题；指出了“非兴趣设计”的必要性。 Based on long-term working experience, the author summarizes the method of locomotive and vehicle design, points out the difference between locomotive and vehicle design point of railway operation department and the design department of locomotive and rolling stock manufacturer, and the necessity of achieving the coordination. The paper also points out that locomotive and vehicle design technology Maturity must go through the process; put forward the future railway rolling stock design research topics; pointed out the “non-interest design” necessity.