魏晋南北朝上承两汉,下启隋唐,是我国目录学史上的一个黄金时代。这个时期作品众多,体裁纷呈,四部分类产生,私家目录问世,科技、佛经等专科目录相继出现。目录学实践内容丰富,目录学理论得到升华。目录学的这一发展变化,虽然与当时社会政治、学术思潮影响分不开,但官府和私人藏书的大量增加, The Wei, Jin and Southern and Northern Dynasties upheld two Han Dynasty, the next Kai Sui and Tang dynasties, is a golden era in the history of Chinese bibliography. During this period many works, various genres, four categories produced, the private directory came out, science and technology, sutra and other specialist directory appeared one after another. Bibliography is rich in content and content theory is sublimated. Although this development and change in bibliography is inseparable from the influence of social politics and academic trends at that time, the large increase in official and private collections,