Patent ID: 7512490

Claim:
A method for reminding of entering a target route suitable for entering the target route from a present route on a present position, and the method comprising: providing a Point of Interest (POI) at a conjunction of the present route and the target route, and setting the POI as a basic voice reminding point, wherein the step of providing the POI at the conjunction of the present route and the target route comprises: extracting an electronic map; setting the present route as a first map layer and setting the target route as a second map layer on the electronic map; and obtaining a plurality of intersection points by corresponding the first map layer to the second map layer, and setting one of the intersection points as the conjunction for providing the POI; determining whether an actual distance between the present position and the basic voice reminding point is less than or equal to a voice reminding distance; and sending out a reminding message for entering the target route when the actual distance between the present position and the basic voice reminding point is less than or equal to a voice reminding distance.