Updating method of substrate management controller and updating system of substrate management controller

The invention discloses an updating method of a substrate management controller and an updating system of the substrate management controller. The method comprises the steps of backing up at least one substrate management controller setting and at least one system state to an external storage device during the operation of the substrate management controller, judging whether an updating command is received or not, updating the firmware of the substrate management controller in the condition that an updating command is received, and setting the at least one substrate management controller setting and the at least one system state backed up to the external storage device to the substrate management controller in the condition that the firmware of the substrate management controller is successfully updated.