Sima Chi, Emperor Huai of Jin Dynasty, was the 25th son of Sima Yan, the half-brother of Sima Zhong, the third emperor in the Western Jin Dynasty. His reign was 307-3 1 1. During the reign of Hui Di, King Zhang Yu was appointed as the emperor's brother. After Sima Yue poisoned Huidi, Sima Chi was promoted to emperor and changed his title to Yongjia. During this period, Wuhu began to establish an independent regime, but the power struggle within the Jin Dynasty became increasingly serious. 3 1 1 In the first month, Huai Wang secretly sent a letter to Xun for Sima Yue, and in March, he secretly sent a letter against him. In the same month, Sima Yue died of illness, and people elected Wang Yan as marshal. In April, Wang Yan and Xerox fought in Ningping City, and the Jin Army was wiped out. In June, the Xiongnu army of Liu Cong invaded Luoyang, and Huaidi was captured on his way to Chang 'an. In 3 13, Jin Huaidi was poisoned by Liu Cong at the age of 30.

Jin Huaidi Sima Chi's early life resume, in the first year of Taixi, Sima Chi was made as Zhang Yu Wang. In April of the same year, Emperor Wu of Jin died, and Prince Sima Zhong ascended the throne as Emperor Jinhui. Sima Chi did not participate in the Eight Kings Rebellion which broke out during the reign of Emperor Jinhui, and kept a low profile. He was not very keen on making friends, was not involved in the world, and was fond of studying history books, which was praised by people at that time.

Sima Chi himself has no great talent. At first, he served as a formal servant of Sanda. In the second year of Yongkang, Sima Lun, the king of Zhao, deposed Emperor Jinhui, and Sima Chi's position as a regular servant was also removed. In April of the same year, after the restoration of Emperor Jinhui, he was relocated to Yongning, and Sima Chi was appointed as a captain of shooting sound, a general of moving cars and riding, and a general of Qingzhou. In the first year of Yongxing, he served as a bachelor of Peking University and commander-in-chief of Yecheng. On December 24 of the same year, Sima Chi was appointed as the younger brother. However, the establishment of Sima Chi as the emperor's brother was the result of the opposition between Sima Ying, the king of Chengdu, and Sima Yi, the king of Hejian. In fact, Sima Chi himself has no power ambition.

On November 18th, the first year of Guangxi, Sima Yue, king of the East China Sea, poisoned Jin Huidi. Yang, the queen of Jinhui Emperor, thought that she and her brother Sima Chi were sisters-in-law and could not be the queen mother, so she urged Sima Qin, the king of Qinghe, to enter Beijing and take the throne. Sima Qin has already arrived at Shangshuge to wait for Sima Chi. 1 1 month 2 1 day, Sima Chi proclaimed himself emperor, granted amnesty to Emperor Huai, respected Empress Yang Weihui, lived in Hongxun Palace, and succeeded his mother, Wang Yuanji, as Empress Dowager and Princess Liang as Empress.

The following year, Sima Chi acceded to the throne and changed to Yongjia, with Sima Yue as the assistant of the teacher and Sima Yue as the main political situation. During this period, the Huns and other ethnic minorities also began to establish independent political power, among which Liu Yuan claimed to be the Han Emperor, but the power struggle within the Jin Dynasty became increasingly serious. Yongjia five years in the first month, Huaidi secret order if the crusade against Sima Yue. In March, he issued an imperial edict to crusade. In the same month, when Sima Yue died, people elected Wang Yan as marshal.

In April, when Wang Yan sent troops to escort Sima Yue's coffin back to the East China Sea to seal the country, he fought with 20,000 troops of Town East General Schleswig in Ningping City, Kuxian County. Schleswig rode horses and shot everywhere, and more than 100 thousand soldiers practiced like mountains, all of them were wiped out, and Schleswig burned Sima Yue's spiritual fulcrum. When Wang Yan was captured, in order to survive, he advised Xerox to be the emperor, but he was still buried alive by Xerox, and the last main force in the Western Jin Dynasty was eliminated without bloodshed.

In June of the 5th year of Yongjia, Liu Cong, the son of Liu Yuan, led an army to invade Luoyang. Emperor Huaidi was captured on his way to Chang 'an, and Prince Sima Quan was killed, which is known as the disaster of Yongjia in history. Jin Huaidi was sent to Pingyang, and Liu Cong appointed Jin Huaidi as Yitong No.3 Division, making him the Duke of Huiji County. Liu Cong said to Jin Huaidi at a banquet: When you are Zhang Yu Wang, Ji Wang and I will go to your place, and Ji Wang will introduce me to you. You said you heard a lot about my name. Show me your Yuefu songs and say, I heard that you are good at writing Ci. Try to take a look at it for me. At that time, Wang Ji and I both wrote Sheng Desong, and you appreciated it. He led me to the imperial court to shoot arrows, and I got twelve chips, and you and Ji Wang both got nine chips. You gave me a bow and a silver study, remember? Jin Huaidi said: How dare I forget? I only hate that I didn't know your emperor earlier. Liu Cong said: Your family is like flesh and blood. Why are you so fierce? Jin Huaidi said: This is probably not a matter of personnel, but an act of God. The big fellow will be ordered by God to expel each other for your majesty. Besides, if our family can pursue the great cause of Huang Wu and live in harmony, how can your majesty win the world! He didn't come out until evening. Liu Cong gave the noble Liu to Jin Huaidi, and said to him, This is the granddaughter of a famous male Liu Yin, and now she specially gives you a wife. You should be nice to her. With Wei Liu benefiting the wife of the country.

In the first month of the first year of lite, Emperor Huai of Jin was ordered to serve as a servant at the banquet of Emperor Zhao of Han Dynasty, and some old ministers of Jin Dynasty wept bitterly, which disgusted Liu Cong. Soon, on the first day of February, Liu Cong poisoned Jin Huaidi with poisoned wine. He was only 30 years old and his burial place was unknown.