Bidding document management system and method

The invention discloses a bidding document management system and method. The bidding document management system comprises a server unit, a data maintenance unit, a data certificate maintenance unit, a digital signature maintenance unit, a digital certificate encryption unit and a digital signature stamping unit. According to the bidding document management system and method of the invention, network technology, computer technology, communication technology, automation technology and the like are fully utilized in a combined manner, latest bidding wining data in a storage medium are converted into a text file in a fixed format through automatic scheduling, and therefore, latest bidding wining information can be automatically updated and displayed in an large LED screen when bid opening information is maintained in a corresponding service system, and thus, repeated work of workers can be decreased, and work efficiency can be improved, and latest bidding wining information updating speed and timeliness of the LED screen can be improved, and comprehensive control and management of latest bidding winning information maintenance and latest bidding wining information display of the large LED screen can be realized.