This book first provides a general introduction to the writing of official documents commonly used in party work and its standards. Secondly, it discusses the development of party members, the education and management of party members, the party's propaganda work, the party's election work, the party's cadre work, the party's discipline inspection and supervision work, and the party committee office work. The official document texts involved in such aspects are introduced in detail in the form of text and diagrams. A wealth of examples are inserted into the text, followed by the "Regulations on the Processing of Official Documents of Party and Government Organs", "Format of Official Documents of Party and Government Organs" and other related documents to facilitate the reference of the majority of party workers. Correspondingly, many modules are set up in the main text to introduce important knowledge related to official documents, which is clear at a glance, and is printed in color, which will not easily cause reading fatigue. The content of this book is detailed, very practical and reference. It has important reference value for party workers, especially novices. It is an essential book for improving the writing level and work efficiency of party affairs documents.