Mao Zedong had many secretaries throughout his life. "Mao Zedong's Four Secretaries" selected the four longest-serving, most talented, most famous and most influential secretaries: Hu Qiaomu, Ye Zilong, Tian Jiaying, and Chen Boda. "Mao Zedong's Four Secretaries" not only focuses on recording their historical contributions: in the smoke-filled war years and the passionate construction period of New China, they followed Mao Zedong closely. With their pens and their extensive knowledge, profound thoughts, and vivid writing, they drafted and revised a number of important historical documents for Mao Zedong and the Communist Party of China. To a certain extent, it has influenced the development process of the entire Chinese history; "Mao Zedong's Four Secretaries" treats them as living people, and records in detail the joys and sorrows, joys and sorrows, life encounters and career ups and downs in their life journey, allowing readers to understand the real lives of Hu Qiaomu and others as secretaries of great men from all aspects and from multiple angles, and to understand the profession of chairman's secretary.