Green packaging should generally have 4 connotations: 1. The most economical materials, the least waste, and the saving of resources and energy; 2. Easy to recycle, reuse and recycle; 3. Waste burning to generate new energy without secondary production Pollution; 4. The packaging materials are the least, and can be decomposed by themselves, without polluting the environment. The goal of green packaging is to maximize the protection of natural resources, resulting in the least amount of waste and the least amount of pollution. For more packaging bag knowledge,