Mobile communications terminal having key input error prevention function

The present invention relates to a mobile communication terminal and its key input detection method having a function for preventing an input error of a touch-type key input means, for having a plurality of touch keys and the touch sensor, each of the key input through the touch sensing to detect the key input signal to the two or more touch keys inputted within a predetermined period of time through the key pad and the key pad which outputs a corresponding key input signal and determines the priority that is set in each key, and priority It can be achieved by comprising a controller for determining one of the two or more touch keys to enter in.