A wireless charger is provided. The wiles charger includes a housing defining an opening hole. A lifting module is received in the housing and movable up and down in the housing. A translation module is disposed on the lifting module and capable of translating in the housing and movable up and down along with the lifting module. A charging module is arranged on the translation module, configured to charge a device to be charged, and capable of translating in the housing along with the translation of the charging module. A connecting module is disposed on the lifting module, arranged correspondingly to the opening hole, and configured to be connected to the device to be charged. The lifting module is capable of driving the connecting module to move up and down and be further exposed out of the housing from the opening hole.