During the Wei and Jin Dynasties, Li in Longxi rose in troubled times, and Li Gui, the king of Xiliang, was the founding monarch of Li. During the Southern and Northern Dynasties, Li's official position in Longxi continued from generation to generation, and his family was prominent. And, Qinghe Cui, Boling Cui, Fan, Xingyang Zheng and Taiyuan Wang are also called the five great gentry in the Central Plains. When they arrived in Tang Gaozong, they issued a decree forbidding these five surnames from marrying seven families. Since the Tang Dynasty, Li in Longxi has successively produced 10 prime ministers. Li Yuan, a branch of the Li family in Longxi, destroyed the Sui and Li Dynasties and created an era of great cultural prosperity. When compiling Li Yuanliu in the Southern Song Dynasty, "whoever talks about Li is called Longxi". The earliest county magistrate in Longxi County in Qin Dynasty was that later generations respected him as the ancestor of Li in Longxi County. Li became a famous family in Longxi, which was jointly created by three generations: the second son Yao was the head of Nanjun County and was named Di Daohou; His Sun Xin was a general and was named Hou of Longxi. During the Han Dynasty, Li in Longxi produced two important figures: Li Guang, a flying general, and his younger brother. Li Liling's defeat was captured by Xiongnu, which made Li's reputation in Longxi County decline. During the Wei and Jin Dynasties, Li in Longxi rose in troubled times, and Li Gui, the king of Xiliang, was the first emperor of Li.
In the Northern Dynasties, Li Ping dabbled in group books, was good at reasoning and easy to read, and was quite literary. Xie, known as Wenbian, is as talented as Lu Yuanming and is highly valued by neighboring countries. Shu, studious, family style. Li Yu, an ordinary brother, is involved in historical biography and belongs to literary works. He is still romantic in Kunming, and his long sleeves are calm and beautiful. If my younger brother Li is a smart man with a famous family business, his elegant demeanor is impressive. At that time, people called him Shi Jing Shao, Cui Yun and Li Ruo. Li Biao, a tireless scholar, later wrote "National History" for Dr. China's book teaching. Li Zhi, a well-read and versatile son, has been a writer for more than ten years. Chang Li, the nephew of Zhizhi, has been freed from writing since he was a child.
By the Sui Dynasty, Lee in Longxi was already an aristocratic family in power in the ruling and opposition. Li Yuan in Longxi destroyed the Sui Dynasty and established the Tang Dynasty, taking Li as the country's surname. In the Tang Dynasty, Li in Longxi surpassed Li in Zhao County. Tang Taizong compiled Genealogy, which placed Li at the top of all the gentry's surnames, and even gave the hero the surname Li. Since then, the Li family in Longxi has developed from a family linked by blood to a huge family with multiple integration. In the Tang Dynasty, the surname spectrum contained "Li thirteen looks, headed by Longxi". When compiling Li Yuanliu in the Southern Song Dynasty, "whoever talks about Li is called Longxi". Later Li claimed to be Longxi, and he was attached. Li Cong, the top scholar in the Tang Dynasty, was good at calligraphy, especially the "eight-point calligraphy".