Remote-control interaction system for digital television

The invention relates to a remote-control interaction system for a digital television. According to the remote-control interaction system for the digital television, a set-top box and intelligent terminal equipment of the digital television are improved, a novel digital television remote-control interaction scheme is proposed, and audio and video streaming data decoded by the set-top box can be watched by directly using the intelligent terminal equipment as a second screen, so that new usage modes are provided for the television and the set-top box. During the implementation of the remote-control interaction system, the existing equipment can be utilized, so that the cost is low, and the implementation is simple and convenient. During practical application, better operating experience can be brought for users through an input interaction manner of a touch screen, and particularly for the users who are accustomed to using computers, smart mobile phones and tablet computers, the visual experience and attractiveness of the television are greatly improved.