本文主要探讨了文本分类系统的实现和关键技术，第一部分为引言，第二部分描述了文本分类解决的问题并对其性能评估方法进行了介绍，第三部分探讨了文本分类系统的关键技术，第四部分给出了我们实现的基于向量空间模型的文本分类系统的结构框架，第五部分是该系统的测试数据和实验结果，第六部分是对将来工作的设想，第七部分是结束语-This paper discusses the realization of the text classification system and key technologies, the first part is an introduction, the second part describes the text classification problems and its performance evaluation methods are introduced, and the third part discusses the key technologies of text categorization system, The fourth section presents our implementation of text-based vector space model fr a me of the classification system, the fifth part is the system test data and experimental results, the sixth part is the idea of ​ ​ future work, part VII Conclusion