An electronic device capable of matching a multimedia playback device is disclosed. The electronic device comprises a slot, a connecting port, a sliding cover, a positioning device, and an identification device. The slot is used to accommodate the multimedia playback device. The connecting port is used to electrically connect the multimedia playback device. The sliding cover matches with the slot. The sliding cover has a support structure to support the multimedia playback device. The positioning device is used to fix the sliding cover at a specific position. The identification device is used to identify the type of the multimedia playback device. When the multimedia playback device is accommodated in the slot, the sliding cover fixes in a specific position to match and support the multimedia playback device.