A method for displaying a photomap performed by a navigation system, the method comprising: loading a photomap and a numerical map from a map data storage; matching reference points between the photomap and the numerical map; matching a scale of the numerical map with a scale of the photomap; extracting object information from the numerical map; and composing the object information and the photomap, wherein the object information comprises shape information and attribute information of roads and buildings, and said composing the object information and the photomap comprises: displaying shapes of the roads and the buildings on the photomap in accordance with the shape information; and applying different colors to the roads and the buildings in accordance with the attribute information, wherein the method further comprises: applying a road color to a road area in the photomap in accordance with the object information, wherein said applying the road color to the road area in the photomap in accordance with the object information comprises: extracting the road area from the photomap in accordance with the shape information; applying the road color to the road area except the lane components thereby removing the image of vehicles on said road area; and applying the road color to the road area in accordance with the attribute information. loading a photomap and a numerical map from a map data storage; matching reference points between the photomap and the numerical map; matching a scale of the numerical map with a scale of the photomap; extracting object information from the numerical map; and composing the object information and the photomap, wherein the object information comprises shape information and attribute information of roads and buildings, and said composing the object information and the photomap comprises: displaying shapes of the roads and the buildings on the photomap in accordance with the shape information; and applying different colors to the roads and the buildings in accordance with the attribute information, wherein the method further comprises: applying a road color to a road area in the photomap in accordance with the object information, wherein said applying the road color to the road area in the photomap in accordance with the object information comprises: extracting the road area from the photomap in accordance with the shape information; applying the road color to the road area except the lane components thereby removing the image of vehicles on said road area; and applying the road color to the road area in accordance with the attribute information. displaying shapes of the roads and the buildings on the photomap in accordance with the shape information; and applying different colors to the roads and the buildings in accordance with the attribute information, wherein the method further comprises: applying a road color to a road area in the photomap in accordance with the object information, wherein said applying the road color to the road area in the photomap in accordance with the object information comprises: extracting the road area from the photomap in accordance with the shape information; applying the road color to the road area except the lane components thereby removing the image of vehicles on said road area; and applying the road color to the road area in accordance with the attribute information. applying a road color to a road area in the photomap in accordance with the object information, wherein said applying the road color to the road area in the photomap in accordance with the object information comprises: extracting the road area from the photomap in accordance with the shape information; applying the road color to the road area except the lane components thereby removing the image of vehicles on said road area; and applying the road color to the road area in accordance with the attribute information. extracting the road area from the photomap in accordance with the shape information; applying the road color to the road area except the lane components thereby removing the image of vehicles on said road area; and applying the road color to the road area in accordance with the attribute information.