A taste substance-supplying article is provided with: a taste substance-supplying body having a taste substance that is brought into contact with taste receptors to produce a sense of taste, and a taste-releasing part that retains the taste substance and gradually releases the taste substance; and a fixing part that fixes the taste substance-supplying body to an oral cavity so that the taste-releasing part can be brought into contact with a portion of an area being a part of the oral cavity and having taste receptors. The taste-releasing part is brought into contact with taste receptors, and supplies and causes the taste substance to come into contact with the taste receptors.