Sixteen countries in the Eastern Jin Dynasty are: former Zhao (Xiongnu), later Zhao (Jie), former Yan (Xianbei), former Liang (Han), former Qin (Bian), later Qin (Qiang), later Yan (Xianbei), western Qin (Xianbei), back Liang (Bian) and south Liang (Nanliang).

During the Sixteen Kingdoms period, in addition to the Sixteen Kingdoms, there were five regimes, namely Wei, Ding and Wudu Bianshuai Yang, which were established by Ran Min, Xiyan and Xianbei Tuoba, which were established by Xianbei Murong, with a total of 2 1 regime. Among the above regimes, the post-Zhao, Yan Qian and the former Qin all occupied most of the northern territory, especially the former Qin basically unified the north, but for a short time. For more than a hundred years, the war in the north has basically never stopped.