Far-infrared powder is a white powder made from a mixture of various substances. It is characterized by its ability to emit more far-infrared radiation than ordinary objects, i.e., a higher infrared emissivity. In high-temperature areas, it is primarily used for boiler heating, baking paint, heating and drying of wood and food, etc. In room temperature areas, it is mainly used in the production of various far-infrared insulating materials, such as far-infrared ceramic powder, far-infrared ceramic fiber, far-infrared ceramic polyester, and functional far-infrared ceramics. Far-infrared ceramic coatings (including nano-titanium oxide coatings) possess catalytic oxidation properties, generating negatively charged hydroxide ions under sunlight exposure (especially ultraviolet light) and exhibit bactericidal effects.