UCODE refers to a unique intrinsic Identifier (ID:Identifier) that identifies an object. Assign this code to the various items that make up the ubiquitous environment to automatically identify items. The device that contains this ucode is the ucode label. Comprehensive processing of bar codes, RFID, smart cards, active chips, etc. In UID China Center, these standard tags can be divided into the following partitions mainly from the perspective of security policy, and each zone is set as the identification benchmark of standard ID tags, and the labels meeting the benchmark are identified as the standard ID tags.