Embodiments of the present disclosure relate to the field of communications technologies, and provide a resource allocation method and an apparatus. The method includes: receiving a resource allocation request from first terminal device, wherein the first terminal device is any UE within coverage of a base station, obtaining location information of the first terminal device, determining, according to the location information of the first terminal device and location information of terminal devices to which transmission resources are currently already allocated, second terminal device that meets a preset condition, allocating, to the first terminal device, a transmission resource already allocated to the second UE; and sending the allocated transmission resource to the first terminal device.