In a system and method for updating a real-time map, operating environment information of a terminal device, which is basic information for update condition determination, is collected, an update condition of a terminal device, which includes one or more of a state of travel, a travel speed, and a network state, is checked by comparing the collected operating environment information with preset criteria, and map data, which is stored in the terminal device, in a combination of one or more of level, tile, and layer units corresponding to the checked update condition, is partially updated.