The Southern Song Dynasty (420-479) was the first and orthodox dynasty in the Southern Dynasties of China, and it was also the dynasty with the longest existence and the largest territory [1]. * * * spread to the fourth generation, experienced ten emperors and enjoyed the country for 59 years. Because the monarch's surname is Liu, and because it is different from the later one, it is called. According to the theory that the five virtues begin at the end, it is called water virtue, so it is also called water song.

Emperor Wu of Song rose in the troubled times at the end of the Eastern Jin Dynasty, and successively pacified Sun En, Huan Xuan, Liu Yi, Lu Xun, Qiao Zong, Sima Xiuzhi and other forces, and destroyed Southern Yan and the later Qin Dynasty. This not only unified southern China, but also captured Huaibei, Shandong, Henan, Guanzhong and other places. Finally, the capital is Jiankang (now Nanjing, Jiangsu).

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