Terminal, terminal keyboard and method for replacing terminal keyboard

The invention discloses a terminal, a terminal keyboard and a method for replacing the terminal keyboard, which are used for improving the experience degree of a user aiming at the specific function of the terminal. The terminal comprises a first keyboard and a second keyboard, wherein the first keyboard is used as a main input device; the second keyboard is used for replacing the first keyboard and has a function key for realizing the specific function of the terminal; the first keyboard and the second keyboard have the same connecting structure when being connected with the terminal; the second keyboard is a cell shell, and the function key for realizing the specific function of the terminal of the second keyboard is a game key for realizing the game function or a playing control key for realizing the music function or a dedicated key for being operated by old people. The first keyboard of a mobile phone under the condition of normal use is replaced by the second keyboard, attachments can not be additionall