A method and a device for displaying good reception-sensitivity information in a broadcast receiver. The method includes: detecting location information of the broadcast receiver and a reception sensitivity of a broadcast signal transmitted from a base station; transmitting the detected location information and reception sensitivity to a region information management server managing regional reception-sensitivity information and regional guide information; receiving from the region information management server good reception-sensitivity information, which is information on a region which is closer than a predetermined distance from the broadcast receiver and which has a reception sensitivity greater than a predetermined value, and regional guide information on the corresponding region; and displaying the received good reception-sensitivity information and the received regional guide information.