Sima Qian has a deep family background, and his ancestors were historians for generations. He has read widely since he was a child, and he memorized ancient Chinese at the age of ten. Travel at the age of 20, hurricane rain, famous mountains and rivers; Later, he inherited his father's business and became Taishi Gong. Because Li Ling surrendered to the Huns, Sima Qian stepped forward and apologized for this. Unexpectedly, he got into unexpected trouble and was wronged. In order to fulfill his father's wishes, Sima Qian endured castration to save his life. Later, he tried to write a huge history book.