In what degree and under what conditions archival information and archival carrier are separated, especially by datamation expression, to realize the certainty of archival information, independent expression and exchangeability, which is very important to realize the value of archives. After the digital separation, archival information processing which is in the form of databases and the operation of industrialization plays a key role in the improvement of the archival value. Along with the process of society informatization, the independent existence of archival information affects social production mode, and also with the process of information resourciation affects the national, social and personal life style, and becomes an important element of resources and the interest carrier in modern economic society. Archival information in the true sense of independent existence is the beginning of the full realization in archival value.