It refers to the recyclable and renewable resources that have been used and discarded in production and life, such as newspapers, magazines, books, leaflets, food and goods packaging cartons, shopping paper bags, printing/copying paper, calendars, cardboard boxes, and paper overpacks that do not come into direct contact with medicines, and so on. Recycling of waste paper can bring into play the resource value of waste paper, such as raw materials for recycled paper, making daily necessities or handicrafts, and using it as fuel.