Abstract: The present invention relates to a portable terminal. The portable terminal of the present invention comprises a main body unit 10, a display unit 20 which is connected and installed to the main body unit 10 and provided with a display screen 22 for displaying a variety of information, and a key pad 32 which includes a plurality of keys 34 arranged in rows thereon and is installed to the main body unit to be rotatable by a predetermined angle. According to the present invention, since the arrangement of keys is changed according to modes of the portable terminal, there is an advantage in that a user can conveniently use the keys. In particular, since the arrangement of keys on the key pad with respect to the display unit is similar to that of a computer keyboard in a specified mode of the portable terminal, there is another advantage in that the user can quickly perform a key input operation.