Broadcasting receiving device capable of displaying communication-related information using data service and control method thereof

A broadcasting receiving terminal capable of displaying broadcasting association information by using a data service and a control method therefor are provided to expand and display the broadcasting association information displayed on one region of a screen by using the data service like a BIFS(Binary Format for Scene) while a user views broadcasting. A broadcasting receiving unit(130) extracts broadcasting program data and broadcasting association information from a received broadcasting signal. A display unit(140) displays the broadcasting program data on a screen. When a broadcasting information expansion mode is selected, a control unit(180) controls the display unit to display the broadcasting association information on the screen.