Compostable starch tableware belongs to pollution-free and green packaging materials. Degradable starch disposable tableware is synthesized by corn starch and auxiliary natural plant materials, Degradable disposable cups do not contain harmful substances to human body, and can realize rapid biodegradation and zero pollution: degradable disposable plate products are buried in soil, which can degrade to form carbon dioxide and water after 30 days, and degradable disposable trays do not pollute soil and air. Save resources: The raw material of corn starch tableware comes from plants growing in nature, which is an inexhaustible renewable resource of natural materials. Disposable plastic tableware is the main product in circulation in the market now, including paper tableware and plastic tableware, which need to consume a lot of wood fiber and petrochemical energy in production. Foamed plastic disposable plastic products are difficult to be degraded in nature, because disposable plastics are all synthetic. Biodegradable compostable disposable cups can save a lot of oil and forest resources in production.