A banknote sorting apparatus and a control method therefor are provided. The control method for the banknote sorting apparatus includes: obtaining a characteristic value of a standard template, wherein the standard template is a preset banknote template satisfying a set condition, and the characteristic value is a characteristic value for banknote classification; and displaying the characteristic value and an original sorting parameter corresponding to the characteristic value, wherein the original sorting parameter is a sorting parameter preset in the banknote sorting apparatus.