An exemplary embodiment provides a communication method and an apparatus. The method includes: receiving, by a UCF, a first message from a terminal device, where the first message includes first information and an identifier of the terminal device; learning, by the UCF, of a first service type based on the first message; learning, by the UCF based on the service type and the identifier of the terminal device, of a first NF that serves the terminal device; and sending, by the UCF, the first information to the first NF, where the first information is information that the terminal device sends to the first NF.