Embodiments of the present invention provide a communication method and a device, and relate to the communications field, to implement communication between a relay terminal and a remote terminal of a different communication group. The method includes: receiving, by a first terminal, a first message sent by a second terminal; when it is determined that the second terminal selects the first terminal as a relay terminal, acquiring group information corresponding to a communication group; and communicating with the second terminal according to the group information. The method embodiment is used to implement communication.