Mobile communication terminal with touch screen and information inputting method using the same

Mobile communication terminal with touch screen and information input method using the same. a mobile terminal communication method, which includes activating a mobile terminal touchscreen, entering an idle touchscreen mode preventing information from being entered on the mobile terminal touchscreen while a function is performed on the terminal receive an input signal via a specified key arranged on the terminal for a time when idle touchscreen mode is entered, and enter an active touchscreen mode allowing information to be entered on the touchscreen according to the input signal received.