Environmental protection and sustainable development have become the general trend in the development of the world’s chemical industry, and have become the main driving force to promote the upgrading of chemical products and technologies. By promoting environmentally friendly technology, attach importance to environmental protection investment, energy saving and consumption reduction, rational use of existing resources, and improve environmental quality; in order to create more wealth for the whole society, while effectively protecting the global environment. HDPE film is a high-performance anti-seepage and anti-corrosion product, especially its chemical resistance, acid and alkali resistance, salt, heavy oil, high and low temperature resistance, good molecular stability, and it is a toxic and harmful substance in the mining and chemical industry, tailings waste residue, The best product for anti-seepage landfill of chemical solid waste. A new anti-seepage treatment technology promoted by the National Environmental Protection Agency.