The embodiments of the present disclosure relate to a fixing apparatus of a wireless charger. According to an embodiment, the fixing apparatus of the wireless charger comprises: a first support; a second support opposite to the first support; a third support disposed between the first support and the second support and used to fix a mobile device to the wireless charger; and an elastic component connected to the first support and the second support respectively, wherein the elastic component is configured to enable the fixing apparatus to move between an initial position and a fixed position. The fixing apparatus of the wireless charger provided in the embodiments of the present disclosure have many advantages such as convenient usage, simple production processes, and low production costs, etc.