Method for offering digital TV program correlation recommendation

The invention provides a method for offering digital TV program correlation recommendation. The method comprises the steps: the correlation among programs at digital TV end by the cloud computing model is calculated to obtain the correlation program list of each program; along with the broadcasting of each program of each channel, the correlation program list of the currently broadcasted program is broadcasted through the downstream channel of the channel, in this way, a set top box obtains program recommended service and is capable of receiving and displaying the correlation program list of the currently broadcasted program.