The invention relates to a voice-controlled vehicle GPS navigating system and the method for realizing the same, comprising the following steps of: 1, an electric map module make the place names in a map into a place name list, and the place name list is used as a distinguishing set for a voice distinguishing module and then is sent to the voice distinguishing module; 2, the start-up key of the voice distinguishing module is turned on; 3, the voice distinguishing module receives input voice and extracts characters of the input voice; 4, voice recognition is performed after abstracting the characters; 5, after the voice recognition is finished, a plurality of candidates are output for the final affirmation of users; 6, the final results affirmed by users are transmitted to the electric map module and then is mapped into corresponding map coordinate to be displayed on a screen. The invention not only simplified the operation procedures of GPS device, but also provides safeguards for drivers, and the invention, at the same time, facilitates the popularization of GPS.