An oral composition is provided in the present invention. The oral composition contains scutellaria root, cinnamon bark and poria sclerotium. In the oral composition, when an amount of the scutellaria root is defined as XA [mass%] and an amount of the cinnamon bark is defined as XB [mass%], it is preferred that the following relation is satisfied: 0.00005XB/XA20000. In the oral composition, when the amount of the scutellaria root is defined as XA [mass%] and an amount of the poria sclerotium is defined as XC [mass%], it is preferred that the following relation is satisfied: 0.000025XC/XA40000. This makes it possible to obtain the oral composition containing a plurality of crude drugs and having a bad breath prevention effect which is obtained at a lower amount of the crude drugs than that of a single crude drug.本發明之口腔用組成物之特徵在於含有黃芩、桂皮及茯苓。將口腔用組成物中之前述黃芩之含有率設為XA[質量%]、將口腔用組成物中之前述桂皮之含有率設為XB[質量%]時,較佳為滿足0.00005≦XB/XA≦20000之關係。將口腔用組成物中之前述黃芩之含有率設為XA[質量%]、將口腔用組成物中之前述茯苓之含有率設為XC[質量%]時,較佳為滿足0.000025≦XC/XA≦40000之關係。藉此,可獲得具有預防口臭功效之口腔用組成物,其調配有複數種生藥,與使用單獨之生藥相比可以低藥量獲得功效。