1. A method for recognizing a printed map, adapted to an electronic apparatus, the method comprising: obtaining a picture of the printed map; defining a block area surrounded by a road outline in the picture; recognizing at least one road name related to the road outline; querying a map service with the at least one recognized road name to find an electronic map having a map area corresponded to the block area in the map service; and mapping the block area in the picture to the map area in the map service.