Abstract: A navigation apparatus using image map and a method thereof are disclosed. The navigation apparatus comprises a storage module, an input module, a satellite positioning module and a processing module. The storage module is for storing an image map. The input module is for setting a plurality of positioning locations, a plurality of color data, a start location and a target location on the image map. The satellite positioning module is for providing the position data corresponding to these positioning locations. The processing module recognizes several workable routes based on these color data, and then calculates a navigation route from the start location to the target location based on a route planing algorithm, these position data and these workable routes.