The present invention provides an aromatherapy device, the aromatherapy device is installed in an aromatherapy placement seat, the aromatherapy device comprises a supporting device, and the supporting device comprises an aromatherapy installation position, a shell and a movable limiting piece; the aromatherapy installation position is configured to install an aromatherapy volatile piece; the limiting piece has a first state and a second state, when the limiting piece is in the first state, the limiting piece protrudes from the shell to be abutted against the corresponding aromatherapy placement seat, to limit shaking of the aromatherapy device; and when the limiting piece is in the second state, the limiting piece is retracted to a position that does not protrude from the shell, such that an aromatherapy machine is detached from the aromatherapy placement seat.