▎ 摘　　要

NOVELTY - Preparing nano photocatalyst air smell-removing agent comprises (i) dissolving the plant glue in water, adding nano photo-catalyst, ceramic particle sand, plant extracting solution, adhesive auxiliary agent, and stirring to obtain the coating dispersion mixture; and (ii) immersing the active carbon fiber in the coating dispersion mixture prepared in step (i), stirring, and drying to obtain nano photocatalyst air smell-removing agent. USE - The method is useful for preparing nano photocatalyst air smell-removing agent ADVANTAGE - The agent has visible light catalytic degradation activity is high, and can effectively degrade acetaldehyde, ammonia and other harmful substances. DETAILED DESCRIPTION - An INDEPENDENT CLAIM is also included for a nano photocatalyst air smell-removing agent, is prepared as mentioned above.