A method for transmitting video record file in multistage video monitoring system includes setting transmission module on original storage server and object storage server and control module on client end in the same level as two said servers, setting up network connection between client end and two said servers and setting up transmission service connection client end to two said servers separately, transmitting information of transmission service permission and file to be transmitted to original storage server by client end through control module, setting up transmission service connection between two said servers and transmitting file to be transmitted to object storage server by original storage server. |