The embodiment of the invention provides a wireless charging method and device, based on V2X, for vehicles. The wireless charging method comprises the following steps: when a vehicle sends out a wireless charging request, obtaining the vehicle information of the vehicle, wherein the vehicle information comprises the unique identification number of the vehicle and the trademark of the vehicle; according to the unique identification number of the vehicle and the trademark of the vehicle, judging whether the vehicle conforms to preset charging conditions or not, if yes, receiving a wireless charging request command sent from the vehicle, and starting a charging power supply, wherein the preset charging conditions comprise whether the type of the vehicle and the identity of the vehicle are matched with a current wireless charger. Through the adoption of the wireless charging method, an intelligent wireless charging process of the vehicle is realized, and popularization of the vehicle with new energy is realized.