An electricity management method of wireless charging includes: detecting a charging request signal sent by a receiver device; selecting a transmitter device according to a location of the receiver device; detecting the location of the receiver device and a plurality of micro-electrometric wave charging environmental parameters thereof; collecting a strength distribution of a micro-electrometric wave signal frequency band in an area where the transmitter device is located, and transmitting area charging performance information based on the strength distribution of the micro-electrometric wave signal frequency band and area information of the area where the transmitter device is located; selecting one of the plurality of charging modes based on the charging request signal and the micro-electrometric wave charging environmental parameters; and based on the selected charging mode, controlling the transmitter device to turn on a charging function corresponding to the receiver device to charge the receiver device.