[Purpose/significance]The purpose of this research is to shed light on the interrelationship of organized knowledge records which conducted by librarianship and the bases of digital humanity. [Method/process] Based on the historical review of the knowledge records arrangement process within the professional librarianship from classification of literature to knowledge organization, this paper made a throughout analysis on the academic foundations of digital humanity by combining the knowledge map and cognitivism theory. [Result/conclusion] The findings of this research include that the representation of the inhered structure of the objective knowledge world which aims to reveal the content of the knowledge resources provided the cognitive foundation for digital humanity, and the library professionals which possessed systematic knowledge resources and arranged the knowledge resource in practice should be one of the key infrastructures of digital humanity.