Pure enjoyment-natural source pulp shell paint is a new generation of environmentally friendly functional coatings. It is made of natural shells as raw materials and processed by special processes such as low-temperature calcination and grinding. The shell powder has a porosity of more than 90% and has natural adsorption. It can not only effectively adsorb and decompose formaldehyde and harmful gases in the air, but also has various functions such as respiratory humidity control, fire prevention and flame retardant.