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Tang Gaozu, whose name is Uncle De, is from Longxi. Li Yuan was born in a noble family in the Northern Zhou Dynasty. At the age of seven, he attacked Tang Guogong. During the reign of Emperor Kai, he was appointed as the secretariat of three states: Qiaocheng, Longxi and Qi. After Yang Di ascended the throne, Li Yuan served as the magistrate of Xingyang and Loufan counties. Later, he was called the little supervisor of the temple and was promoted to Wei Wei and Shao Qing. In the eleventh year of the great cause, Li Yuan worshipped him in Hedong, Shanxi Province. Thirteen years, I worshipped Taiyuan and stayed behind.

When the world was in chaos at the end of Sui Dynasty, Li Yuan rose from Taiyuan and captured Chang 'an. In May of the second year of the lunar calendar in Yining, Li Yuan accepted the abdication of Emperor Sui Gong, established the Tang Dynasty, made Chang 'an his capital, gradually eliminated the separatist forces in various places and unified the whole country. In the ninth year of Wude, after the change of Xuanwu Gate, Li Yuan abdicated as the emperor's father, and the Zen position was in his son Li Shimin. In the ninth year of Zhenguan, Li Yuan died of illness. Emperor of Wu Tai, posthumous title,