Abstract: Evidence-based acquisition, having been adopted in recent years by foreign libraries, is a new method of acquiring digital resources. Evidence-based acquisition balances readers’ use and librarians’ professional competence in the procurement of digital resources. This paper introduces the background and process of evidence-based acquisition, analyzes its relationship with PDA and DDA, introduces the case of evidence-based acquisition of digital resources in foreign libraries, discusses the advantages of evidencebased acquisition, and analyzes the key factors in smoothly operating evidence-based acquisition.

Key words: Collection development, Digital resources, Evidence-based acquisition