The rapid development of the current archival industry information technology directly leads to a significant amount of archival data. There are many ways to store these data for long-term preservation, but these methods have their respective advantages and disadvantages. According to our research, from the aspects of comprehensive assessment of the product security, ease of use and economic efficiency, the blu-ray storage media has particular advantage in long-term storage, especially in the areas of electronic archival data in long-term preservation and heterogeneous backup. The blu-ray storage is one of the best approaches to solve the problems of electronic archival data in long term storage.