Registration method and apparatus for internet of things device, communication device, core network device, storage medium and system

A communication device, comprising a first processor and a first memory, wherein the first memory stores a program or instructions executable on the first processor, and the program or instructions, when executed by the first processor, cause the communication device to perform:

• obtaining first policy information, wherein the first policy information is used for describing that an Internet of Things device is allowed to access the communication device;
• obtaining an identifier of the Internet of Things device according to the first policy information;
• and
• sending a registration request message to a core network device, wherein the registration request message is used for requesting to register the Internet of Things device into the core network device, and the registration request message comprises the identifier of the Internet of Things device.