Fecha de publicación: 26/09/2023 Fuente: Wipo "BigData" The invention discloses an information management system based on big data analysis, which relates to the technical field of information management systems and comprises a user unit, a relationship setting unit and a published information processing unit. The user unit is used for recording and storing user information and publishing and identifying the type of the information published by a user; the relation setting unit comprises a social information extraction module, a big data analysis module and a manual management module, and the social information extraction module is used for retrieving and extracting the published information; according to the information management system based on big data analysis, by arranging the user unit, the relation setting unit and the published information processing unit, privacy information in information published by a user can be automatically recognized, and according to the relation degree of other users and the published user, processing such as fuzzification, deletion, replacement and code printing of different degrees is automatically carried out on the privacy information, so that the privacy information can be automatically managed. And the security of user privacy or confidential information is improved.