PURPOSE: An oral composition containing Eucalyptus globulus extract is provided to remove coated tongue and halitosis. CONSTITUTION: An oral composition with a function of removing coated tongue contains 0.001-10.0 wt% of Eucalyptus globulus extract. The oral composition is used in the form of chewing gum, candy, tablet, gummy jelly, mouth spray, and mouth washes. An oral composition with a function of preventing halitosis contains Eucalyptus globulus extract as an essential ingredient. The Eucalyptus globulus extract is prepared using water, methanol, ethanol, n-propanol, n-butanol, ether, chloform, ethyl acetate, acetone, glycerin, propylene glycol.설태 제거 효과와 강한 구취 제거 효과를 갖는 구강용 조성물의 제공. 설태 제거 작용을 갖는 구강용 조성물로서, 필수 성분으로서 도금양과 식물인 유칼리의 추출물을 함유하는 것을 특징으로 하는 구강용 조성물.