社区是现代城市的细胞和基础。社区建设的关键是社区文化。社区文化的核心是社区图书馆。本文从社会进步的视角论述社区图书馆建设的必要性及其社会作用。 Communities are the cells and foundations of modern cities. The key to community building is community culture. The core of community culture is the community library. This article discusses the necessity of community library construction and its social function from the perspective of social progress.