In this paper, the windows platform backup and restore technology Research and design based on HPA for military construction projects (military end-protection system), the core content addressed the defects of ghost software which running under Dos, and implements the use of HPA technology hidden system partition backup file, forward the operating system backup and restore software technology to a new phase, while provided a reliable guaranteed the military information construction. The final performance of the software that: system backup and restore under the windows platform and Based on HPA technology is completely achieved the expected results, provide sufficient information to meet the building needs of the armed forces, while compared to ghost software, performance and user experience has been a huge boost.