PROBLEM TO BE SOLVED: To provide a cartridge type of diffusion system that enables efficient diffusion of an aromatic and a chemical without need of a special drive unit provided in an aromatizer and efficiently diffuses an aromatic or a chemical by utilizing an apparatus having an air blowing function such as the existing electric fan, circulator, air conditioner and the like.SOLUTION: A diffusion system of an aromatic or a chemical used by attaching to an apparatus having an air blowing function comprises an outer frame part 2 having an attachment means to an exterior part of an apparatus having an air blowing function at an end surface 4 thereof and a belt-like carrier 3 provided at the inner surface side of the outer frame part, formed of a material having high liquid absorption and high liquid retention and impregnated with an aromatic or a chemical.COPYRIGHT: (C)2016,JPO&INPIT【課題】放香器自体に格別の駆動装置を設けなくても効率的に芳香や薬剤の放散を可能とし、既存の扇風機、サーキュレーター、エアコンなどの送風機能を持つ機器を利用して、効率的に芳香剤や薬剤を放散するカートリッジ形式の放散システムの提供。【解決手段】送風機能を有する機器に取り付けて用いる芳香剤又は薬剤の放散システムは、送風機能を有する機器の外装部への取付手段を端面4に有する外枠部2と、外枠部の内面側に設けられる吸液性又は保液性の高い材質からなりかつ芳香剤又は薬剤を含浸してなる帯状の担体3とから構成される、芳香剤又は薬剤の放散システム。【選択図】図1