China has also issued a number of policies to encourage the application and promotion of biodegradable plastics. In 2004, the National People's Congress passed the "Renewable Energy Law (Draft)" and "Solid Waste Law (Revision)" to encourage the use of renewable biomass energy and the promotion and application of degraded plastics; in 2005, the National Development and Reform Commission No. 40 document clearly encouraged The use and promotion of biodegradable plastics; in 2006, the National Development and Reform Commission launched a special fund project on the development of biomass biodegradable materials; the definition, classification, labeling and degradation performance requirements of degradable plastics implemented on January 1, 2007 were obtained The mutual recognition of Europe, the United States and Japan has provided convenience for Chinese enterprises to export products.