A display control device according to the present invention includes a detection unit for detecting contact of an operating object on a display surface of a display unit, a position calculation unit for calculating a contact position, on the display surface, of the operating object whose contact has been detected by the detection unit, an operation process determination unit for determining, from a plurality of operation processes associated with a motion of the operating object, one operation process to be performed, according to a length of a contact time of continuously contacting the display surface within a first area including a reference contact position which is a contact position of the operating object at a time of the operating object being made to contact the display surface after a state of separation from the display surface, and an operation processing unit for changing display of the display unit by the operation process that is performed, based on a motion of the operating object that is further continuously in contact with the display surface.