阐述信息与用户交互的情报理论基础,从行为发现、行为认知和相关反馈三个层面反映用户交互研究的通用研究方法,并针对用户信息素质差异、检索系统功能差异和检索社会文化背景差异提出用户交互的影响因素,讨论其对检索工具的影响。 This paper describes the information theory basis of interaction between users and information, and reflects the common research methods of user interaction research from three aspects: behavior discovery, behavior cognition and related feedback, and puts forward the differences of user information quality, retrieval system function differences and retrieval socio-cultural backgrounds Impact factors of user interaction and discuss its impact on search tools.