The content of autobiographies was different from other biographies. Generally, autobiographies mainly talked about personal experiences, growth process, personality, thoughts, etc. It was more objective, while other biographies paid more attention to describing the image, psychology, emotions, etc. of the characters. It was more subjective and focused on the character's personality and fate. At the same time, his biography often involved historical background, social atmosphere and other aspects of knowledge in order to better explain the character's behavior and thoughts.