The present invention relates to an intelligent channel blocking apparatus and method for terminating a terrestrial DTV broadcasting interference channel for blocking reception of a interference channel coming from a neighboring country other than an authorized broadcasting signal. The present invention relates to an interference channel in a digital TV broadcasting system according to the present invention. The interference channel blocking system for blocking receives a terrestrial broadcast signal, and searches for a channel to detect the interference channel and extracts channel information of the interference channel, and channel information of the interference channel detected by the interference channel detector. And a cross-channel blocking information generator for transmitting the mixed-channel information to the broadcast signal and transmitting the cross-channel information included in the broadcast signal by the cross-channel blocking information generator. Cross-border blocks users from watching your channel It may include a limited receiver. According to the present invention, there is an effect of blocking interference channels that may occur between countries.
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