1. Understand the role of things: When performing management functions and conducting official activities, leading organs at all levels need to communicate frequently and exchange opinions to reach a consensus. As a means to understand things, official documents are widely used in government work.
2. The role of propaganda and public opinion: Leading organs at all levels and of all kinds need effective propaganda and public opinion support when implementing leadership and handling official duties. The execution of official documents is the core of propaganda and public opinion.
3. The decision-making role of the staff: In the decision-making and decision-making process, leading organs at all levels and of all kinds are inseparable from the collection, processing and application of information, investigation and research, and soliciting opinions. Official documents are full of all kinds of information with their legal channels and efficiency, serving financial management and assisting the government.