论述了开放式电子设计产生的技术背景 ,开放式电子设计环境构架 ,CAPP(计算机辅助工艺设计 )开放化的层次结构 ,CIMS(计算机集成计算系统 )环境下CAPP系统结构 ,NC(数字计算机控制 )开放化定义 ,主要途径及国际、国内开放化数控装置研究开发概况 ,最后论述了生产系统开放化概念及研究方法。对设计和制造领域开放化研究有一定意义 This paper discusses the technical background of open electronic design, the open architecture of electronic design environment, the hierarchical structure of open CAPP (Computer Aided Process Design), the CAPP system structure in CIMS (Computer Integrated Computing System) environment, NC (Digital Computer Control) The definition of openness, the main approaches and the research and development of international and domestic open numerical control devices. Finally, the concept and research methods of the openness of production systems are discussed. It has some significance for the open research in the field of design and manufacturing