The present disclosure provides a wireless charging device and a wireless charging method. The wireless charging device includes a communication control module. The communication control module is configured to, when a power supply device is in a sleep state, control the power supply device to enter a wakeup state; and communicate with the power supply device in the wakeup state to determine a type of the power supply device, where the type of the power supply device includes a fast charging type and a non-fast charging type, a maximum output power of a fast charging power supply device is greater than or equal to a preset value, and a maximum output power of a non-fast charging power supply device is less than the preset value.