On the basis of combing the existing scattered literature,starting from the perspective of conceptual definition,the article systematically explores the conceptual connotation,main characteristics and related conceptual relationships of information monophagism from the perspective of user and technical perspectives,and accordingly explores the performance of information monophagism in the library,a place of figurative information practice.It is found that there are active and passive information monophagism,which can be characterized as silent user preferences in the field of library informati...