The voice navigation method relates to a voice navigation device and a
voice navigation method, which may be utilized in cooperation with the
Satellite Global Positioning System. The method is used to broadcast a
voice-guidance-item having higher requirement importance more
preferentially than a voice-guidance-item having low requirement
importance, even if the voice-guidance-item having low requirement
importance is obtained when the voice-guidance-item having high
requirement importance is still in progress.