摘要：When data disaster happens, the disaster recovery system (DRS) can respond automatically and real-time, and quickly restart the application system in the redundant device to keep the processing of the business. The construction principle of the disaster recovery system has been studied, and combining the base function and national standard of the hospital information system (HIS), the data disaster recovery mode in the hospital information system was analyzed systematically and the constructive project was proposed in the article.
