Sima Qian, the great editor of the Han Dynasty, completed the compilation of Historical Records with his historical knowledge of "studying the relationship between man and nature, connecting the changes of ancient and modern times, and making a unified statement", which is the first biographical general history in China history. Book 130, with more than 526,500 words. Historical Records includes twelve biographies (recording the political achievements of emperors in past dynasties), thirty biographies (recording the rise and fall of vassal states and governors in Han Dynasty), seventy biographies (recording the words and deeds of important people, mainly describing the characters and ministers, and the last one is the preface), ten tables (chronology of major events) and eight books (recording various laws and regulations, such as etiquette, music, temperament, calendar, astronomy, etc.). Therefore, Sima Qian was called Shi Qian, Shi Sheng, Tai Shigong and the father of history by later generations. 1957, Sima Qian was named "the father of world history" by the United Nations.