专家系统是由硬件和智能的软件组成的在领域专家组水平上解决某一领域特定问题的计算机系统.专家系统具有启发性,灵活性和透明性的特点.本文综述了农业专家系统的发展现状,并提出我国农业专家系统的研究,目前应着重在单项专家系统,同时还要注意开发出一些通用性强的或适用于农业特点的专家系统开发工具. Expert system is a computer system composed of hardware and intelligent software, which is used to solve specific problems in a field at the expert level in the field.The expert system is instructive, flexible and transparent.This paper summarizes the development of agricultural expert system , And put forward the research of agricultural expert system in our country. At present, we should focus on single expert system, meanwhile, we should also pay attention to develop some expert system development tools which are versatile or suitable for agriculture.