The 21st century is a century of environmental protection, and people are committed to researching new packaging materials and environmentally friendly design methods to reduce the environmental problems caused by packaging solid waste. Innovations in packaging materials are as follows: used for thermal insulation, shock resistance, impact resistance and perishable pulp molding packaging materials; in the design, strive to reduce materials that are not easily decomposed in the later period for packaging, and try to use lightweight, small Easily crushed or crushed, easily separated materials, etc.