Automobile's gloss from the clear lacquer level (commonly known as golden oil) to the light refraction. The clearer lacquer level, the higher limpid optical fiber's refractive index, the Paint Coating is also brighter. Once the clear lacquer level has the massive scars or dirts, the gloss will dim, therefore, the maintenance of clear lacquer level has become important in the automobile cosmetology. However, what kind of material can resist the dirt attachment? What kind of material can reduce the scar forming? What kind of polish method is the correct way?