Embodiments of this application provide an MBMS service communication method and a base station, and relate to the communication field. The method includes: A source base station obtains first group identity information of an MBMS service of a terminal device in a neighboring cell; and the source base station sends the first group identity information to the terminal device. In this application, after moving to or accessing the neighboring cell, the terminal device may continue to receive service content and information of the MBMS service based on the first group identity information that is of the MBMS service in the neighboring cell and that is obtained from the source base station.