The embodiment of the invention relates to a multimedia playing device. The device comprises a sound system and a display system, wherein the sound system sends image data of a preset format to the display system. The image data of the preset format is obtained based on external device signals. The sound system also plays audios based on the external device signals. The display system plays images based on the image data of the preset format sent by the sound system. According to the multimedia playing device provided by the embodiment of the invention, the two parts can be updated independently. Compared with the prior art, the device has the advantages that the waste of resources is reduced, moreover, the appearances of the two parts can be designed independently, the display system can be made lightly, thinly and beautifully without sacrificing the size of a loudspeaker in the sound system, and therefore, the sound effect of the multimedia playing device is ensured.