The Sixteen Kingdoms Period (304-439) in Wuhu was a period in the history of China. During this period, Liu Yuan and Li Xiong established Han and Zhao (later called Zhao Qian) respectively in 304 and became the Han Dynasty, and Tuoba Tao of the Northern Wei Dynasty (Taizu) destroyed Beiliang in 439. It covers North China, Sichuan and Liaodong, as far as Mobei, Jianghuai and the western region. Among many ethnic groups in the Central Plains, Xiongnu, Jiejie, Xianbei, Qiang and Di are the main ethnic groups, collectively known as Wuhu. The Northern Wei Dynasty (386 ~ 557) was a feudal dynasty established by the Tuoba nationality of Xianbei nationality. It was the first dynasty in the Northern Dynasties during the Southern and Northern Dynasties, also known as Tuoba Wei and Wei Yuan. Xianbei, an early national language, was originally named Daiguo. In 386, Tuoba GUI, the leader of Tuoba Department, was established, and the name of the country was changed to Dawei, with Pingcheng as its capital. In 439, the north was unified. In 493, Emperor Xiaowen Tuoba Hong moved the capital to Luoyang, and the emperor changed his surname to Yuan. In 534, it was divided into Eastern Wei and Western Wei. In the eighth year of Wuding in the Eastern Wei Dynasty (550), Gao Yang abolished filial piety and established the Northern Qi Dynasty on behalf of the Eastern Wei Dynasty. In the Western Wei Dynasty, under the pressure of the powerful minister Yuwen Hu, Yu Gong retreated to his nephew Yu Wenjue in three years, and the history of the Northern Wei Dynasty officially ended.