A method for selecting a leading vehicle in a vehicle group, the method comprising: receiving, by each vehicle in the vehicle group, a trigger message for selecting candidate leading vehicles transmitted from a network-side equipment, and determining whether said vehicle itself meets conditions required for being served as the candidate leading vehicle, wherein the conditions comprise a requirement on equipment capability of said vehicle, information on location of the vehicle in the vehicle group and information on signal quality of equipments of the vehicle; if said vehicle itself is determined to meet the conditions, said vehicle becomes a candidate leading vehicle, and sending, by said vehicle, a first notification message to all vehicles in the vehicle group, wherein the first notification message is configured to notify that said vehicle has become the candidate leading vehicle and to carry parameters of said vehicle, wherein the parameters comprise information on equipment capability of said vehicle, information on location of said vehicle in the vehicle group and information on signal quality of communication equipment in said vehicle; and after having received said first notification, selecting, by candidate leading vehicles in the vehicle group, one of the candidate leading vehicles as a leading vehicle according to a preset rule involving comparison of the said vehicle's own parameters with the parameters of the candidate leading vehicles and wherein the candidate leading vehicle which is better than any other candidate leading vehicles in every parameter is selected as the leading vehicle, wherein the leading vehicle is authorized to manage the vehicle group. receiving, by each vehicle in the vehicle group, a trigger message for selecting candidate leading vehicles transmitted from a network-side equipment, and determining whether said vehicle itself meets conditions required for being served as the candidate leading vehicle, wherein the conditions comprise a requirement on equipment capability of said vehicle, information on location of the vehicle in the vehicle group and information on signal quality of equipments of the vehicle; if said vehicle itself is determined to meet the conditions, said vehicle becomes a candidate leading vehicle, and sending, by said vehicle, a first notification message to all vehicles in the vehicle group, wherein the first notification message is configured to notify that said vehicle has become the candidate leading vehicle and to carry parameters of said vehicle, wherein the parameters comprise information on equipment capability of said vehicle, information on location of said vehicle in the vehicle group and information on signal quality of communication equipment in said vehicle; and after having received said first notification, selecting, by candidate leading vehicles in the vehicle group, one of the candidate leading vehicles as a leading vehicle according to a preset rule involving comparison of the said vehicle's own parameters with the parameters of the candidate leading vehicles and wherein the candidate leading vehicle which is better than any other candidate leading vehicles in every parameter is selected as the leading vehicle, wherein the leading vehicle is authorized to manage the vehicle group.