Bamboo charcoal, wood, metal, and carbon crystal wall protection board uses a bamboo charcoal co-extruded metal wood veneer, which is solid and thickened to prevent deformation and significantly enhance substrate stability. The new type of bamboo-wood fiber material, bamboo charcoal fiber + PVC film, is not easily soaked or oily. It is not afraid of dampness, mold, insects, cracking, or falling off. The edges and corners are neat and smooth, with a flat surface and easy installation. There are various texture options, such as PET metal series, mirror series, and texture metal series, that can be customized according to different personal needs. The colors are rich and colorful, suitable for background wall, ceiling modeling design, etc.