Sima Yi used to be the viceroy, general, commander-in-chief and mentor of Cao Wei. He was an important minister who assisted the orphans in Wei San's generation and assisted the state affairs, and later became a powerful minister who controlled the state affairs of Wei. He is resourceful, resourceful and has made many expeditions. The most remarkable achievement is that he led the army twice to successfully resist Zhuge Liang's Northern Expedition and pacify Liaodong. It has made important contributions to the development of farming economy such as reclamation and water conservancy. He died at the age of 73, resigned from the county magistrate and was buried in shouyangshan. Posthumous title Wenxuan; The second son, Si Mazhao, was named after Jin and chased Sima Yi as Wang Xuan. After Sima Yan proclaimed himself emperor, Sima Yi was honored as Xuan Di, and his temple name was Gaozu.