An object of the present invention is to provide a map display device and a map display method for displaying a plurality of map drawing pictures so as to improve convenience for a user. The map display device according to the present invention includes an input/display unit that receives input of user operation and displaying a first drawing object related to map information in a first drawing picture and a second drawing object related to map information in a second drawing picture; and a controller for controlling an overlapping state between the first drawing picture and a partial area of the second drawing picture in accordance with input of user operation received by the input/display unit and outputting, to the input/display unit, a picture in which the second drawing object masks the first drawing object in such an overlapped portion.