专家系统是人工智能领域中最重要而且有活力的分支之一 ,它在机械设计领域中的应用 ,对于推动机械设计过程向自动化及智能化方向的发展 ,具有极其重要的现实意义。论述了钻机设计专家系统研究中的一些主要问题 ,探讨了钻机设计专家系统要完成的主要目标和任务以及实现方法 ,并研究了适合于钻机设计专家系统要求的知识表示、知识获取和知识推理方法 Expert system is one of the most important and dynamic branches in the field of artificial intelligence. Its application in the field of mechanical design is of extremely important practical significance to promote the development of the mechanical design process in the direction of automation and intelligence. Some major problems in the research of drilling rig design expert system are discussed. The main objectives, tasks and implementation methods of drilling rig design expert system are discussed, and knowledge representation, knowledge acquisition and knowledge reasoning method suitable for drilling rig design expert system are studied