A wireless charging system, comprising an intelligent management device and a wireless charging transmitter (140; 141, 142, 143), the intelligent management device is configured to: receive a wireless charging request from a mobile terminal,and send a wireless charging instruction to the wireless charging transmitter (140; 141, 142, 143); the wireless charging transmitter (140; 141, 142, 143) is configured to: receive the wireless charging instruction; wherein, the wireless charging request comprises first location information of the mobile terminal, wherein the intelligent management device is stored with second location information of the wireless charging transmitter (140; 141, 142, 143); wherein the intelligent management device is further configured to generate the wireless charging instruction according to the first location information of the mobile terminal and the second location information of the wireless charging transmitter (140; 141, 142, 143), in which the wireless charging instruction comprises direction information of the mobile terminal relative to the wireless charging transmitter (140; 141, 142, 143), characterized in that, the wireless charging instruction further comprises a charging mode, in which the charging mode comprises sending the wireless energy wave continuously and sending the wireless energy wave periodically, and the charging mode is determined according to currently remaining electric quantity of the mobile terminal and the first location information of the mobile terminal; and in that the wireless charging transmitter (140; 141, 142, 143) is further configured to determine a transmitting direction according to the direction information in the wireless charging instruction; acquire the charging mode carried in the wireless charging instruction, and transmit a wireless energy wave in the transmitting direction continuously or periodically according to the charging mode. the wireless charging transmitter (140; 141, 142, 143) is configured to: receive the wireless charging instruction; wherein, the wireless charging request comprises first location information of the mobile terminal, wherein the intelligent management device is stored with second location information of the wireless charging transmitter (140; 141, 142, 143); wherein the intelligent management device is further configured to generate the wireless charging instruction according to the first location information of the mobile terminal and the second location information of the wireless charging transmitter (140; 141, 142, 143), in which the wireless charging instruction comprises direction information of the mobile terminal relative to the wireless charging transmitter (140; 141, 142, 143), characterized in that, the wireless charging instruction further comprises a charging mode, in which the charging mode comprises sending the wireless energy wave continuously and sending the wireless energy wave periodically, and the charging mode is determined according to currently remaining electric quantity of the mobile terminal and the first location information of the mobile terminal; and in that the wireless charging transmitter (140; 141, 142, 143) is further configured to determine a transmitting direction according to the direction information in the wireless charging instruction; acquire the charging mode carried in the wireless charging instruction, and transmit a wireless energy wave in the transmitting direction continuously or periodically according to the charging mode.