Server room ventilation system

The utility model discloses a server room ventilation system, which comprises a machine room, place intelligent rack in the computer lab, subaerial built on stilts the laying of computer lab forms partition space between electrostatic floor messenger computer lab ground and the electrostatic floor, the refrigerating unit that the rack was placed at subaerial feasible intelligent rack puts the position between ground and electrostatic floor, the workspace of intelligence rack is located the electrostatic floor top, set up temperature sensor and a plurality of exhaust fan in the partition space,and through temperature sensor determine to the temperature open the exhaust fan of different quantity, thereby discharge the heat below the electrostatic floor outdoor, still be equipped with a plurality of air supplementing opening in the computer lab, air supplementing opening be located electrostatic floor top and with outdoor intercommunication setting, the air supplementing opening outsideis provided with the filte