The application discloses storage server, it is including setting up outside web server, DVR equipment and the disk unit at storage server to and set up monitor control module, receiving module, the equipment cache module inside storage server and write in the module into, the web server with monitor the control module internet access, monitor control module respectively with receiving module with write module communication connection into, the receiver structure body and the access structure body that receiving module created including developments are write the module into and being write the structure into and writing the thread into including what developments were created, receiving module and DVR equipment communication connection, equipment cache module include the equipment structure body and the buffer area of static allocation, and the equipment structure body is personally experienced sth. Part of the body and is write the structure into with access structure respectively and is connected, writes the structure into and still links to each other with the buffer area. Video data is directly write in into disk unit through the data channel who corresponds got into storage server by DVR equipment after to video data. Thereby storage server's memory property has been improved.