A swinging decorative attachment comprising a base having at least one rack and one boring allowing airflow through the base; two swinging means, both having a wheel-shaped connector on the first end of said swinging means, connecting with the edge of said base, forming a wheel gear respectively, to which two wheel gears connect each other; a fan module attached on that base; at least one gear module connecting to an axle of said fan module; and a subordinate module connecting said gear module and the second end of one said swinging mean, making said two swinging means pushed and turned mutually, forming open-closed swinging motions. In addition, fragrant materials can be used inside said base. The airflow will bring out the fragrance from said base through said bore, and to spread the fragrance among the room.