Abstract: A pharmaceutical preparation for ameliorating nonulcer dyspepsia (NUD) or epigastric dysfunction complaints is provided. The present invention uses an aminobenzamide compound represented by the following formula (1) or a salt thereof: ##STR1## wherein each of R.sup.1 and R.sup.2 is independently a lower alkoxyl group; R.sup.3 is a hydrogen atom, a lower acyl group, a lower alkyl group, a lower alkoxycarbonyl group or a group represented by a formula --X--SO.sub.3 M where X is a lower alkylene group and M is an alkali metal or an alkaline earth metal; R.sup.4 is a hydrogen atom, a halogen atom or a lower alkoxyl group; R.sup.5 is an amino group, a morpholino group or a lower alkylamino group, where the alkyl moiety of the lower alkylamino group may have a hydroxyl group; and n is an integer of 1 to 6.