从“广义本体论”视角出发,提出了一个关于图书馆“是何独特存在”、“为何独特存在”和“如何独特存在”的整体性解释框架,论证了为何“社会知识记忆”是解释图书馆存在及运动的统一视角,认为图书馆的独特本质是“人类永久记忆客观知识精华的社会机制”。该社会机制有着由特定的主体、中介、客体和背景构成的基本结构。 From the perspective of “general ontology”, this paper proposes a holistic explanation framework about the unique existence of libraries, uniqueness of uniqueness and unique existence of libraries, and demonstrates why “Memory of social knowledge ” is a unified perspective to explain the existence and movement of the library, that the unique nature of the library is “the social mechanism of permanent memory of objective knowledge of human beings ”. The social mechanism has the basic structure of a specific subject, intermediary, object and background.