The application of information technology in promoting the library study has experienced a major change in practice,which makes the basic theory of library science changes a lot. In the growing digital information and increasing the degree of the network today,the library elements,rules,basic contradictions,property,social functions,as well as the object of study of library science and the subject has to re-examine the nature of necessity. In this paper,we have studied various angles of the information architecture and library science in the enlightenment and the impact of the development of a...