The PU mushroom stone wall panel product is resistant to decay, moisture-proof, mold-proof, environmentally friendly, and has a B1 flame-retardant level. It is easy to clean and is not affected by weather changes, remaining free from deformation, detachment, or cracking, and having high durability. The lightweight material is easy to handle without breaking, with a low wear rate. The construction process is simple, with options to plan, stick, or nail, saving on construction time. The product comes with a synthetic surface, imported water-based paint, and can be spray-painted with any type of paint after construction. With the mold painting process and pure polyurethane material, it does not fade or rot and can be used outdoors.