The products show superior properties of water resistance, nail holding power, anti-deforming, anti-warping to the traditional wood plastic composites(WPC). The products also show superior properties to wood on anti-decay, anti-termite, UV resistance, processability and recyclability. The biocomposites can not only be sawed, nailed, riveted or shaved as wood, but also be extruded, injection molded or recycled as plastic. It is an ideal replacement of wood. It can be widely used in buildings, landscape, interiors, furniture, floor, trays, transportation, etc.