The present invention relates to an essential oil device comprising a heater, the heater comprises a body and a cover, the body has a heating element, the cover is arranged above the heating element, the cover has a hot gas passage, and the hot gas channel is provided with a bearing. a gas permeable oil absorbing body, the gas permeable oil absorbing body can adsorb the essential oil and can be ventilated, and the carrier body carries the gas permeable oil absorbing body to maintain the gas permeable oil absorbing body in the hot gas passage； the heated air of the heat generating component is guided along the hood A hot gas passage, and the essential oil is evaporated by the gas permeable oil absorbing body.本創作係關於一種精油裝置，包含一發熱器，發熱器包含一本體及一罩體，本體具有一發熱件，罩體罩設於發熱件上方，罩體具有一熱氣通道，熱氣通道設有一承載體；一透氣吸油體，透氣吸油體可吸附精油且能透氣，承載體承載該透氣吸油體，使透氣吸油體保持於熱氣通道中；該發熱件加熱後之空氣沿該罩體導引通過該熱氣通道，並且通過該透氣吸油體將精油蒸發。
