《汉书·艺文志》、《隋书·经籍志》、《四库全书总目》都是由国家统一组织编修的综合性目录,是我国古代目录发展史上的三大界碑。本文就我国古代目录学由初创到集大成的发展概况来清晰地呈现“集部”在三部目录书中的变化历程。 The Han Dynasty Yi Wen Zhi, Sui Shu Jing Ji Zhi, and Siku Quanshu are both comprehensive catalogs edited by the state unified organization, and are the three major boundarystones in the history of the development of ancient Chinese catalogs. In this paper, the history of the ancient bibliography in our country from start-up to catch-up development to clearly show “Jibu ” in the three directory book changes.