结合宋代具有代表性的类书,利用举例、图示和表格,对其类目体系进行全面梳理,展示宋代类书类目设置异彩纷呈、纬目逐步固化与丰富、论说型主题类目自成体系的特征,从而揭示出宋代类书类目体系是一种横向扩展、纵向深入的多维立体结构,是日益庞杂的社会知识体系在类书编纂形式上的集中反映。 Combining with the representative books in the Song Dynasty, this paper systematically sorts out its category system by means of examples, illustrations and tables. It shows that the categories of book titles in the Song Dynasty are colorful, the weft is gradually solidified and enriched, the self-contained Characteristics, and thus reveals that the taxonomic system in the Song Dynasty is a horizontally-extending and vertically-oriented multidimensional three-dimensional structure, which is a concentrated reflection of the increasingly complex social knowledge system in the compilation of classifications.