PP plastic corrugated board is made of polypropylene (PP) by hot-melt pressing. It is hollow. The structure of the board can be divided into three parts: upper and lower walls and middle pillars. The material has pressure resistance, impact resistance, water resistance, grease resistance, and heat resistance. Low temperature resistance, resistance to a variety of chemicals and other characteristics, the appearance is hollow, diverse colors, light weight but heavy. PP is a hydrocarbon, which can be burned, non-toxic and harmless, and can be recycled and used, which meets environmental protection needs.