The invention discloses a multi-port multi-time-unloading information management system and method which is characterized in that a system comprises a core business module, a load shedding port module, a destination port module and a public information module. A hardware device comprises a mobile handheld terminal, a backstage server, a weighing device, a video monitoring device and a global position system (GPS) positioning device. The modules achieve real-time synchronous data updating, information sharing and paperless operation of the management flow between the mobile handheld terminal and a backstage server database through the communication technology. The system and method can ensure high-efficiency operation of the multi-port multi-time-unloading mechanism, changes the traditional inspection identification and monitoring mode through introduction of the internet of things technology, achieves inspection and identification working integration between multiple ports, is accurate, safe and high in efficiency, simultaneously solves the problem of multi-port cooperation operation, effectively shares file resource, protects the files and promotes data informatization, standardization and integration.