Disclosed are a system and a method for implementing an XDM forward function described in [XDM2_RD] and [XDM2 AD]. The method includes the steps of: transmitting, by the XDM forward requesting user a forward request message for forwarding a desired XML document to the XDMS; receiving, by the XDMS the forward request message, determining if the XDM forward requesting user has been granted a forward authority for a forward-requested target XML document forwarding the requested XML document to the XDM forward receiving user when the XDM forward requesting user has been granted an authority to forward the target XML document, performing receiver authorization for determining if an XDM forward receiving user can accept the forwarded XML document, and confirming that the XDM forward receiving user owns the forwarded XML document and storing the possessed XML document in a user directory when the receiver authorization has been successfully performed.