Safety guiding method, system and device for communication interruption in wireless reconnection mode

The invention discloses a safety guiding method, system and device for communication interruption in a wireless reconnection mode, the safety guiding method is applied to a slave vehicle of an entire locomotive, and the safety guiding method comprises the following steps: monitoring whether wireless communication with a master vehicle of the entire locomotive is interrupted or not; if so, controlling the vehicle to enter an isolation mode used for converting the slave control state into the trailer state, and using the vehicle as a trailer to be processed; if not, controlling the vehicle correspondingly to run according to a control instruction issued by the master vehicle. Therefore, when communication between the slave vehicle and the master vehicle is interrupted, the slave vehicle with communication interruption serves as the trailer to be processed, the identity of the slave vehicle is not kept any more, the slave vehicle is prevented from influencing the master vehicle and other slave vehicles, so that