Disclosed are a system and a method for controlling functions of a mobile communication terminal when in a predetermined zone. The system includes a function control apparatus for requesting a function list stored in the mobile communication terminal when detecting that the mobile communication terminal has entered a predetermined zone, indicating functions to be deactivated and generating a first function control list when the function list is received from the mobile communication terminal, and transmitting the first function control list to the mobile communication terminal; and the mobile communication terminal for transmitting the function list to the function control apparatus in response to the request for the function list received from the function control apparatus, and updating the stored function list in accordance with the first function control list when the first function control list is received from the function control apparatus.