A method of processing channel information of a transmitter/receiver, and a receiver are disclosed. The method of processing channel information in the receiver receives at least two of provider identification information, region identification information, content source identification information, content genre identification information, content data characteristic identification information, channel level identification information and content existing channel number identification information, forms multi-part channel information using the received identification information according to a preset channel information format, and connects to a content service server providing content service corresponding to the multi-part channel information.