Abstract: Disaster backup management system is an effective measure to ensure informatization operation and maintenance as well as data security. From the aspects of daily management of disaster backup, operation and maintenance of disaster backup environment, and disaster backup plan in the framework of disaster backup management system, this paper proposed the operation and maintenance of disaster backup environment based on the railway main data center, as well as the disaster backup plan model and disaster backup organization structure. Through the study of key technologies such as automatic operation and maintenance tools, unified operation and maintenance management system, timely and effective disaster recovery plan, it is expected to solve the current lack of unified and automatic disaster recovery management in the main data center.