A wireless power supply apparatus, wherein the wireless power supply apparatus comprises a controller, a beamforming module, and an antenna array, wherein the controller is configured to: determine an electromagnetic wave transmission direction based on direction finding information, and transmit information about the transmission direction to the beamforming module; the beamforming module is configured to aggregate energy of electromagnetic waves corresponding to a plurality of radio frequency signals to the transmission direction; and the antenna array is configured to: receive the direction finding information, and transmit the electromagnetic waves in the transmission direction; wherein the wireless power supply apparatus further comprises a direction finding module and a radio frequency switching module, wherein the controller is further configured to: control the radio frequency switching module to be in a signal transmission state, so that the direction finding module receives a direction finding signal from a wireless power receiving terminal; and control, after determining the transmission direction, the radio frequency switching module to switch to a power transmission state, so that the beamforming module transmits the electromagnetic waves by using the antenna array; and the direction finding module is configured to: obtain the direction finding information in the direction finding signal, and transmit the direction finding information to the controller; and wherein the controller is further configured to control, after determining the transmission direction, the wireless power supply apparatus to send a response signal to the wireless power receiving terminal, and wherein the response signal is configured to instruct the wireless power receiving terminal to stop sending the direction finding signal. the controller is configured to: determine an electromagnetic wave transmission direction based on direction finding information, and transmit information about the transmission direction to the beamforming module; the beamforming module is configured to aggregate energy of electromagnetic waves corresponding to a plurality of radio frequency signals to the transmission direction; and the antenna array is configured to: receive the direction finding information, and transmit the electromagnetic waves in the transmission direction; wherein the wireless power supply apparatus further comprises a direction finding module and a radio frequency switching module, wherein the controller is further configured to: control the radio frequency switching module to be in a signal transmission state, so that the direction finding module receives a direction finding signal from a wireless power receiving terminal; and control, after determining the transmission direction, the radio frequency switching module to switch to a power transmission state, so that the beamforming module transmits the electromagnetic waves by using the antenna array; and the direction finding module is configured to: obtain the direction finding information in the direction finding signal, and transmit the direction finding information to the controller; and wherein the controller is further configured to control, after determining the transmission direction, the wireless power supply apparatus to send a response signal to the wireless power receiving terminal, and wherein the response signal is configured to instruct the wireless power receiving terminal to stop sending the direction finding signal.