The invention relates to a detecting system of digit video recorder and relative method, wherein it arranges at least one pick-up device at the detected point, to pick up image; and uses client, system provider and the network to form detecting system. The invention has the advantages that: the system provider and the client can store the present state of client at the same time; when the client is impacted to destroy the image storage device, the formed stored image data is kept, and user can use network and identification mechanism to build linkage with system provider, to obtain the state of client. |