PROBLEM TO BE SOLVED: To provide a tablet-like denture cleaning agent which can impart flavor of aromatic tone other than mint note to denture after being cleaned, and further has excellent storage stability and can suppress deterioration of flavor over time and formation of stain on the tablet surface.SOLUTION: The tablet-like denture cleaning agent containing (A) silica, (B-1) a hydrogen persulfate, (B-2) a perborate and/or percarbonate, and (C) 0.9 wt.% or more of flavoring agent of aromatic tone other than mint note, can imparts flavor of aromatic tone other than mint note to denture after being cleaned, and further has excellent storage stability and can suppress deterioration of flavor over time and formation of stain on the tablet surface.COPYRIGHT: (C)2016,JPO&INPIT