介绍贝叶斯方法的理论依据及近几年的典型贝叶斯分类方法,并给出不同方法下垃圾邮件过滤实验数据对比,总结贝叶斯方法在垃圾邮件处理中的优点和局限性,并提出下一步可能的研究方向.-Presentation of theory and Bayesian methods Bayesian classification method typical in recent years, and gives the spam filter test data comparison of different methods, Bayesian methods are summarized in the spam processing advantages and limitations, and The next step might propose research directions.