Paperless office, that is, office without paper, refers to the use of modern network technology for office work. Its main media tools are computers, iPads, mobile phones and other modern office tools, which can realize various tasks without paper and pen. business and transaction processing. Beginning in the late twentieth century, it gradually increased in the early part of this century and is expected to reach full penetration in the first decade of this century. In a paperless office environment, computers, application software, and communication networks are the three most basic elements. Paperless office liberates people from tedious, disorderly, and low-end work to engage in core affairs. It overall improves the unit's work efficiency and controllability of information, reduces office costs, improves execution, and makes management more manageable. Perfect; it is to reduce the waste of paper for society, promote the concept of environmentally friendly office, and also heralds the advent of the modern technological era.