This paper introduces a four-layer system structure of ITS data-mining platform, which consists of data layer, data-mining algorithmic tool layer, logical analysis layer and application system layer. 本文提出了一个四层的ITS数据挖掘平台体系结构,主要划分为:数据层、数据挖掘算法工具层、分析逻辑层和应用系统层。