Fecha de publicación: 09/12/2022 Fuente: Wipo "BigData" The invention discloses an information management system based on big data, which comprises a cloud terminal and a mobile terminal, and is characterized in that the cloud terminal comprises a cloud server, and a personnel statistics module, a login verification module, an information database, a security encryption module, a data coding module and an authority management module which are connected with the cloud server; the mobile terminal comprises a mobile processor, and a login acquisition module, an information uploading module, an information display module and an operation request module which are connected with the mobile processor. Through interaction and cooperation of the cloud terminal and the mobile terminal, enterprise personnel information and file data can be efficiently and automatically managed, meanwhile, leakage of secret data can be effectively avoided, the safety of enterprise data can be greatly guaranteed on the premise that enough authority is given to managers, and meanwhile, by combining with the mobile terminal, the safety of enterprise data is greatly improved. Great convenience is brought to remote data interaction of enterprise personnel, and the working efficiency is effectively improved.