PCIE (Peripheral Component Interface Express) hot plug control method and device

The invention discloses a PCIE (Peripheral Component Interface Express) hot plug control method and device, and the method comprises the steps: judging whether PCIE equipment is inserted from a PCIE interface card slot or not according to the detected operation and in-place state of a PCIE interface card; if the PCIE equipment is inserted from the PCIE interface card slot, automatically electrifying the PCIE interface card slot, starting a PCIE reference clock and automatically activating a PCIE link after configurable waiting for a first safety time delay, and setting a global reset signal to be invalid after configurable waiting for a second safety time delay, so that the PCIE equipment finds and loads a corresponding equipment driver; and if the PCIE equipment is pulled out of the PCIE interface card slot, closing the PCIE link, automatically closing the PCIE reference clock after waiting for a configurable third safety time delay, and automatically powering off the PCIE interface card slot after waiting f