There are provided a key information control system and control method of body keys of a display and a television set, which relates to the display field and is capable of eliminating the problem of pressing a wrong key when the user operates the body keys. The key information control system comprises: the body keys disposed on the display; a detection means disposed in a surrounding area of the body keys, and configured to detect a state of a user relative to the body keys; a determination unit configured to determine whether the user has intention to operate the body keys according to the state of the user relative to the body keys; and a key information display controlling unit configured to control key information of the body keys to be displayed at an edge of a display area of the display in the case that the user has intention to operate the body keys, to make a display position of the key information correspond to a position of the body keys.