To reduce a consumption amount of a printing tape by a simple operation.

The printing data generating apparatus is equipped with a batch-setting changing means 71 and a printing data generating means 62. The batch-setting changing means 71 sets changing tape lengths at a time from preliminarily specified default setting in setting of both a plurality of function menus which can be set independently and separately and make tape lengths change by set values, and object function menus as at least two or more preliminarily set function menus among the plurality of function menus. The printing data generating means 62 generates printing data on the basis of setting after changed by the batch-setting changing means 71.