This series of products is a high-performance masterbatch synthesized using PBAT and PLA as carriers, with high-quality pigments and additives added. It not only has good mechanical properties, but also high ductility and elongation at break. It can decompose into small or low molecular compounds such as carbon dioxide and water under natural conditions such as soil and sandy soil, under the action of microorganisms (such as bacteria/molds/algae). This series of products complies with GB 4806.7 "National Food Safety Standard for Plastic Materials and Products in Contact with Food" and can be widely used in biodegradable packaging materials such as packaging boxes, bags, straws, etc., in line with the national trend of green environmental protection.