Electronic official document endorsement management system and method

The invention discloses an electronic official document endorsement management system and method. The system and the method relate to the technical field of computer networks, after a user initiates an official document approval application, an approver uses the handheld electronic endorsement device to receive the electronic official document in a wired network state and then carries out handwriting endorsement operation (supporting the device to be carried out in an offline state), the handheld electronic endorsement device stores the electronic official document after endorsement is completed and uploads the electronic official document after being connected with a wired network, and it is guaranteed that the approval process is carried out smoothly. According to the system, online datasynchronization are combined with online endorsement and offline endorsement, so that the problem that an enterprise unit having requirements on information security cannot use an existing online endorsement mode in the prio