Abstract: The archive ownership is refer to the archive properties rights of possessing, accessing, proceeds and disposition by the archive owner judicially. The right of archive possessing means the preserving institution possesses the archives in fact. Opening archives to society is the important content of the archives accessing and the archives user gains the biggest benefit. The nation gives up the proceeds right of national archive property. The national archives have the rights just as archives opening to society, publication, appraisal, destruction and selling by the law. The archive ownership is the law foundation of the archives accessing legality and the important reference of the national archives resources collocating rationality.