1. 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; 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.