An essential oil supply device includes: a body with a chamber for containing essential oil, and a heater for heating the essential oil in the body； a dropper for transmitting essential oil and filling it into the chamber of the body； an intermittent transmission device which provides the power for transmitting essential oil in the dropper, so that the essential oil can be regularly and quantitatively filled into the chamber of the seat to prevent To stop the dry burning and avoid the brewing disaster constitutes this creation.一種精油供給裝置，其係包括：一座體，具有一可供精油容置之容室，且座體內設有對精油加熱之加熱器；一滴管，供精油傳輸而填充至該座體之容室中；一間歇性傳輸裝置，提供精油於滴管中傳輸之動力，俾供精油於滴管中定時定量地填充至該座體之容室中，防止乾燒而避免釀災，藉此構成本創作。
