The plastic material of knife and fork spoon generally has PP PS two kinds. Different plastic materials, the choice of steel material of the mold is also different. The steel material of the knife, fork and spoon mold generally chooses H13, S136,2344,2316, quenching material and other steel materials. Because the knife, fork and spoon products belong to fast consumer goods, so the mold is generally opened into multi-cavity, and the mold is designed into a square or round. If the mold is designed to be square, then the semi-heat flow, the mold made of insert. The processing technology of Leo knife, fork and spoon mold has high-speed fine carving, high speed milling and so on. Ordinary knife, fork and spoon mold is generally two flap mold, and the folding of the knife, fork and spoon mold, on the basis of the two flap mold more slide. So folding knife and spoon mold is more difficult than ordinary knife and spoon mold.