神经网络是近年来发展起来的新型计算系统 ,广泛应用于模式识别、特征提取和信号处理等方面。文章论述了目前国外染色体自动解析系统的设计发展现状 ,主要讨论了神经网络在这一方面的应用。文章从染色体的结构、神经网络的基本原理讲起 ,涉及到国外众多学者的研究与实验 ,实际反映了基于神经网络的染色体自动解析系统的国际发展水平 ,并指出了系统设计中存在的缺陷。 Neural network is a new type of computing system developed in recent years, which is widely used in pattern recognition, feature extraction and signal processing. The paper discusses the design and development status of the automatic chromosome analysis system in foreign countries at present, mainly discusses the application of neural network in this aspect. The article starts from the basic principles of chromosome structure and neural network, and involves many researches and experiments conducted by foreign scholars. It actually reflects the international development level of automatic chromosome analysis system based on neural network and points out the defects in system design.