PROBLEM TO BE SOLVED: To provide an aroma diffuser wherein the liquid leakage of aroma oil is prevented.SOLUTION: This aroma diffuser includes: a container body 1 having a container opening part 1a that is an inlet of the aroma oil 100, and filled with an absorbing member into which the aroma oil 100 is impregnated, thereinside a catalyst combustion body 3 obtained by making a catalyst metal 3b adhere to a base material 3a and an introduction opening part oppositely communicated with the container opening part 1a. The aroma diffuser includes, near the introduction opening part, an interposition part supporting the catalyst combustion body 3 and making the catalyst combustion body 3 adjacent to the container opening part 1a.COPYRIGHT: (C)2013,JPO&INPIT【課題】アロマオイルの液漏れを防止した芳香器を提供する。【解決手段】芳香器は、アロマオイル100の注入口である容器開口部1aを有し、アロマオイル100を含浸させる吸収部材を内部に充填させてなる容器本体1と、基材3aに触媒金属3bを付着させた触媒燃焼体3と、容器開口部1aに対向して連通される導入開口部を有し、導入開口部近傍に触媒燃焼体3を支持して容器開口部1aに触媒燃焼体3を隣接させる介在部と、を備える。【選択図】図1