Disclosed are a mobile communication terminal provided with a hands-free function and a controlling method thereof comprising the steps of: setting a hands-free function of a mobile communication terminal; certifying whether an originating call command or a calling request message are received; searching information of a calling party inputted by a user's voice or an arbitrary originating party'sinformation from a mounted telephone directory; and guiding the searched calling party's information by voice and then connecting a calling. According to this, the user can originate or receive a calling by using a voice recognition function and the hands-free function of the terminal without his hands' using even while driving.