Disclosed are a method and apparatus for grouping vehicles in Internet of Vehicles. The method comprises: a designated vehicle within a coverage area of a road-side unit (RSU) satisfying a preset condition receives first indication information of the RSU, the first indication information being set for indicating the designated vehicle to be a vehicle having a management permission to manage a vehicle group to which the designated vehicle pertains; or designated vehicles outside the coverage area of the RSU satisfying a preset condition negotiate to decide a final designated vehicle; the designated vehicle periodically broadcasts a first message set for performing vehicle grouping to the vehicles within the coverage of the RSU and/or outside the coverage of the RSU; the designated vehicle receives a second message in response to the first message; and the designated vehicle groups vehicles that send the second message to a vehicle group.