The library is a social existence that the nature is librarian productive relations in the open knowledge environment. The work and reproduction is the source of power in library development. Library existence is the unity of humanized natural existence and consciousness of library. Librarian human alienation is the performance of library evolutionary rather than the symbol of library decline. Marx＇s social ontology is the basic theory to build bracing system of contemporary library that open knowledge service will be the main content of library work in future.open ...
