Communication connection method and device, medium and equipment

The invention discloses a communication connection method and device, a medium and equipment, and the method comprises the steps: transmitting a first connection request carrying a host identifier of a train tail host in a broadcast mode based on a first communication module of a train tail locomotive station, receiving a host internet protocol address returned by a first communication module of a column tail host corresponding to the host identifier; the first communication module based on the train tail locomotive station forwards the host internet protocol address to the second communication module of the train tail locomotive station; and the second communication module based on the train tail locomotive station sends a second connection request carrying the locomotive station internet protocol address of the train tail locomotive station to the second communication module of the train tail host, and a connection response result returned by the second communication module of the train tail host is receive