论述公共图书馆服务体系的紧密度概念,从法律体制、人事权、经费、文献资源等十个方面,定性、定量分析比较公共图书馆服务体系六种紧密度从高到低的类型:纯粹型总分馆制、紧密型总分馆制、半紧密型总分馆制、松散型总分馆制、紧密型联盟模式和松散型联盟模式,提出我国公共图书馆服务体系建设可选择合适的紧密度类型和采用紧密度不同的混合模式。 This paper discusses the concept of the compactness of the public library service system, and qualitatively and quantitatively analyzes six types of compactness of the public library from high to low, from the aspects of legal system, personnel rights, funding and literature resources: pure Total scorecard system, compact total scorecard system, semi-compact total scorecard system, loose total scorecard system, close alliance mode and loose alliance mode, and put forward that the construction of public library service system in our country can choose appropriate and close Degree type and using a mixture of different tightness mode.