A method for controlling an external input and a broadcast receiving apparatus are provided. The method includes: setting a call word of an external input apparatus connected through an external input terminal; associating the call word with the external input terminal and storing the call word and the external input terminal in association with each other; in response to a voice of a user being input, recognizing the voice to determine whether the voice includes the call word; and in response to determining the voice includes the call word, enabling the external input terminal corresponding to the call word to communicate with the external input apparatus using the external input terminal corresponding to the call word.