Nowadays, according to the change of educational environment, an alternative educational system, called cyber university system, is appeared. The appearance of the new system requires the new executive supports for administrative purposes. From this point of view, this paper tries to design and develop an XML-based document management system for the cyber university system. In order to manage and present the multimedia documents for Cyber university effectively, the proposed document management system is divided into 3 hierarchy structures: Generation of Documents, Storage of Documentation, and Search of Documentation. Based on our proposal for the system, the actual implementation is done for the demonstrative purpose. Both the construction of document manage system for the cyber university and modules for portal page are implemented using XML.