Cloud Computing is currently a hot spot of information industry. With super strong calculation ability and low cost, the high safety etc., cloud computing has bring out some profound influence in the society. In the present stage, set up the national archives information resources sharing service mode based on cloud computing, has very important value. In essence, the mode is a kind of social, central and professional of archives information resources service mode.In oder ot actualize the mode, we need to take some measures from the ides, the technology,the standard, the manageing of user,and so on.