Equipment version upgrading method and system

The invention provides an equipment version upgrading method and system. The method comprises the following steps: obtaining an activate partition identifier when equipment is started and the equipment version starting information in an environment variable area can be normally read; confirming the partition where the to-be-activated equipment version is and guiding the activation of the equipment version in the partition according to the obtained activate partition identifier, meanwhile, taking the partition where the activated equipment version is as a main storage area and taking the partition storing an equipment version different from the equipment version stored by the main storage area as a standby storage area; and comparing the downloaded equipment version information with the equipment version information in the main storage area and the standby storage area and when the downloaded equipment version information is different from the equipment version information in both the main storage area and the