叙述了粗神经网络的基本原理,论述了基于粗神经网络的企业危机预警系统的组成、框架结构、 功能及工作原理,给出了一个基于粗神经网络的欺诈危机的预警实例,实验结果表明,该方法应用于企业危机 预警中是有效的,为研究危机预警问题提供了一条新的思路和方法. The basic principle of rough neural network is described. The composition, frame structure, function and working principle of enterprise crisis early warning system based on rough neural network are discussed. An example of early warning of fraud crisis based on rough neural network is given. Experimental results show that, The method is effective in early warning of enterprise crisis and provides a new way of thinking for studying early warning of crisis.