The utility model belongs to the technical field of the computer system management, specifically speaking is a computer machine case intelligent management device. The utility model discloses a computer machine case intelligent management device include base plate controller, SIO module, NE, memory, voltage detection circuit, temperature measurement circuit and smart fan control circuit, SIO module, NE, memory are connected with the base plate controller respectively, and voltage detection circuit, temperature measurement circuit, smart fan control circuit are connected with the SIO module respectively. The utility model discloses a computer machine case intelligent management device structural design is simple reasonable, through monitoring computer operating environment to take emergency measure before computer failure takes place, the effectual damage of avoiding software computer software, hardware has good popularization and application and worth.