1. An apparatus for transmitting a stereoscopic image packet, the apparatus comprising; a stereoscopic packet generator which generates a stereoscopic image packet using a stereoscopic packet header, a stereoscopic video packet header, and a payload; and a transmitter which transmits the stereoscopic image packet; wherein the stereoscopic packet header and the stereoscopic video packet header are formed so that the stereoscopic packet header and the stereoscopic video packet header are not dependent on a particular transport protocol, the stereoscopic packet header comprises additional information required for playback of stereoscopic image data existing in the payload, and the stereoscopic video packet header comprises attribute information of the stereoscopic image data in the payload.