The Theory of Six Kingdoms is the representative work of Su Xun's political theory. This paper puts forward and demonstrates the incisive argument that the downfall of the six countries is "blamed on Qin", criticizes the humiliating policy of the Song Dynasty towards Liao and Xixia, and warns the rulers of the Northern Song Dynasty to learn the lessons of the downfall of the six countries so as to avoid repeating the same mistakes. In the Qing Dynasty, his sons Su Shi, Su Zhe and Li Zhen also wrote Six Kingdoms, expounding their personal views.

Su Zhe

Su Zhe (A.D.1March 03918-12 10/October 25th), with the same word as uncle, is a famous guest. Meizhou Meishan (now Sichuan) people. Officials and writers in the Northern Song Dynasty, one of the "Eight Great Masters in Tang and Song Dynasties".

In the second year of Jiayou, Su Zhe became a scholar, and was awarded the provincial school secretary and Shangzhou military attache first. In Song Shenzong, he was promoted to stay in Henan because he opposed Wang Anshi's political reform. Since then, he has cooperated with Zhang, Wen Yanbo and others. After Song Zhezong acceded to the throne, he served as a remonstrator, remonstrator, right minister and assistant minister in the DPRK.

After Zhezong became a pro-politician, he was demoted to Ruzhou several times because he wrote a letter to persuade others. Cai Jing, the prime minister, came to power, and went down to seek medical treatment, so he took Dr. Taizhong as an official and built a house in Xuzhou. In the second year of Zheng He, Su Zhe died at the age of 74. He studied for a bachelor's degree in Ming Temple and declared himself a doctor. When Song Gaozong was tired, he gave it to a surname and Wei Guogong, and when Song Xiaozong was chasing Wen Ding.