Disclosed is a quickly soluble oral film dosage for masking a nasty taste, in particular, a quickly soluble oral film dosage comprising a stevioside based sweetener and a high potency sweetener in a ratio by weight (w/w) of 1:3 to 3:1, which may efficiently mask a bitter or nasty taste of a medicine and may be quickly dissolved in a mouth without water, thereby improving an aftertaste thereof thus enhancing dosage acceptability of a patient.
