With the advancement of informationization in our society, the key business of enterprise rely on information system more and more. The progress of technology and change of IT environment of enterprise which is required by business, often force enterprisesfacing with the problem of existing information system data migration. Data migration brings interruption to the service of users, which is a waste of time that means losing opportunities, so it requires system data migration must be quick and accurate. Electric power enterprise information technology is developing rapidly, and the information systems update frequently, therefore how to ensure the system data migration convenient, fast, safe, reliable performance, is an important research topic of the information department in an electric power enterprise. In this paper, we made a detailed analysis of the data migration process in all aspects from the management of an enterprise data standpoint, integrated the experience of power system data migration, and put forward a solution of data migration of electric power production system, which has some reference value for the implementation of enterprise information system data migration.