An operation control apparatus is provided which includes a detection unit for detecting contact of an operation tool with a display surface of a display unit, a contact determination unit for determining a contact state of the operation tool with the display surface based on the detection result by the detection unit, a contact area recognition unit for recognizing, in the case where it is determined by the contact determination unit that the operation tool is in contact with the display surface, a contact area where the operation tool is in contact with the display surface, and an operation determination unit for determining, from a plurality of operation processing associated with an act of the operation tool in contact with the display surface, an operation processing to be executed, based on a size of the contact area recognized by the contact area recognition unit.