The biodegradable PBAT starch film is made of the whole biological material, which uses the new biological science and technology to synthesize and make the corn, starch and other biological substances through the plasticizing process. The product is made of the whole biological material, which has the advantages of full degradation, acid and alkali resistance, oil pollution resistance, No pollution to the environment, no heavy metal (lead, chromium) and other harmful substances, non-toxic, tasteless, corrosion-resistant, tear resistant, not hard in winter. The biodegradable PBAT starch film can completely replace the traditional PE and PP film, and has a wide range of application space in every field of Nissan life.