A great deal of electronic documents will be produced in enterprises, many of which in the form of disk files are stored in the computers of each department. Some are shared through the sharing mechanism, but they are difficult to manage and maintain. Security problems and information-isolated island may occur for some of these documents. A new technology of electronic document administration are introduced, in which authorized administration mechanism are taken and the documents are classified, encrypted, compressed and then transported via intranet and stored in database. Its application in enterprises has proved that documents can be shared and queried dynamically, conveniently and reliably by using the technology.