A method and an apparatus for vehicle-to-vehicle or V2V message service are disclosed. In at least one aspect, a method of operating a V2V message service apparatus in a V2V communication system includes when a first vehicle equipped with the V2V message service apparatus enters a particular road link, subscribing the first vehicle to a V2V message server with the particular road link as a topic, and receiving an event message including an event-situated road link as a topic from the V2V message server, and determining whether to issue an alarm corresponding to the event message based on a preceding and trailing relationship between the first vehicle and a second vehicle that published the event message.