Wood-plastic wallboard, also known as wood-plastic composite board, is a kind of wood (wood cellulose, plant cellulose) as the basic material, thermoplastic polymer material (plastic) and processing aids, etc., which are mixed evenly and then passed through the mold equipment. It is a high-tech green environmental protection material made by heating extrusion molding, which has the properties and characteristics of wood and plastic, and can replace wood and plastic as a new composite material.