Abstract: Disclosed is a health-promoting chair having aromatic compound which can be freely replaced. The health-promoting chair has an insertion and separation space 1 at a center portion of a seat of a chair and an auxiliary cushion 10 having a structure in which an aromatic compound pack 9 can be inserted thereinto and separated therefrom using an opening and closing means 5. Further, aromatic material in the aromatic compound pack can be freely replaced according to user's desire. Still further, if needed, the auxiliary cushion can be separated from the chair and then used alone or in combination with other furniture goods at other locations. The auxiliary cushion can be used in combination with a variety of types of lower fixing means such as air bag type, screw type and rope type in order to adjust height thereof. The installation method is not limited according to form of a chair.