In the light of studies and research to develop safe and practical fire extinguishing systems and reduce the rate of damage to important materials and devices and databases resulting from water extinguishing system has been developed to spray the system with liquefied gas and the role of this system automatically read the temperature of the room and in the event of a fire, The warning is to alert the people to evacuate the site and the one who launches the liquefied gas to be able to extinguish the fire in record time without damage to the site assets of paper, computers and electricity and nothing happened on the site