Folding machine (folding machine; folder) is associated with the modernprinting equipment of the modern printing industry, printing, usually contains the modern printing, Postpress three processing procedures, the main medium for paper, due to the rise of packaging and printingmaterials, in other media, such as plastic, fabric, leather, metal surfaceand so on on the rise, but the main carrier is still a paper absolute dominance. The printing industry is usually divided into books and newspapers processing and packaging processing; folding machine is mainly used for various design range of different sizes and thickness of paper folding, folding mass is suitable for fast printing center, production enterprises, letters and documents, business letters.