After the Eight Kings Rebellion, Liu Yuan sent his son Liu Cong to plunder Luoyang, while general Schleswig and Wang Mi plundered the Kanto countries. In 3 10, Liu Yuan died, and his son Liu He succeeded to the throne. Soon Liu Cong was killed and stood on his own feet. 3 1 1 year, Schleswig sent troops to Xiangyang, and the Jin Dynasty sent troops to crusade. However, due to mutual suspicion between the imperial court and Sima Yue, 8 Jin Army was in civil strife, and was finally captured by Schleswig-Holstein, and the elite died. At that time, Luoyang was empty, and Liu Cong took the opportunity to capture Jin Huaidi, which was called "the disaster of Yongjia" in history. In 3 13, Emperor Huaidi was killed, Jin Emperor succeeded to Chang 'an, and Han and Zhao sent Liu Yao to continue the attack. In 3 16, Xian Di Chen of Jin surrendered, and was finally humiliated and killed, and the Western Jin Dynasty perished. Then Xiongnu, Di, Jie, Xianbei and Qiang established a series of countries in the north, which were called "Five Lakes and Sixteen Countries" in history.