According to the product sales scope: domestic product packaging, export product packaging; According to the function of packaging in the circulation process, there are single package, middle package and outer package, etc. According to the packaging materials, there are paper products packaging, plastic products packaging, metal packaging, bamboo and wood packaging, glass container packaging and composite materials packaging; According to the number of packaging uses: one-time packaging, multiple-use packaging and turnover packaging; According to the hardness of packaging containers, there are hard packaging, semi-hard packaging and soft packaging; According to product categories: food packaging, drug packaging, mechanical and electrical products packaging, dangerous goods packaging, etc.; By function: there are transportation packaging, storage packaging and sales packaging; According to the packaging technology, there are shockproof packaging, moisture-proof packaging, rust-proof packaging, mildew-proof packaging, etc. According to the packaging structure, it is classified into body-fitted packaging, blister packaging, heat-shrinkable packaging, portable packaging, pallet packaging, combined packaging and so on.