Xie Lu was admitted as a scholar in Dazhong 9 (855) and was awarded the title of captain of Jixian, and became an assistant government. Xian Tong entered the imperial court in (860 ~ 873) and served as assistant minister of the imperial court. Later, he was transferred to Yuan Wailang, Chang 'an County Magistrate and Zhengzhou Secretariat. He was also called to court to give advice to the doctor. In the first year of Ganfu (874), this official was recruited as a bachelor of Hanlin, and he was appointed as a China Jinshi. Later, he was promoted to assistant minister and bachelor. In the fourth year of Ganfu (877), he was appointed as the official in charge of books, and was promoted to assistant minister, minister of war, and university student of Hong Wen Pavilion.
In the fifth year of Ganfu (878), Huang Chao uprising was in full swing, and successively captured southern Chu, Jiangxi and Guizhou, Hebei, Rao and Xin, and then captured Fujian from eastern Zhejiang, turned to Lingnan in the west, captured Guangzhou and killed it, so he asked the court for the title of our time. At first, Wang Xianzhi revolted in Henan, and Lu Xie recommended Wei Song, Qi Kerang, Zeng Zhou and other generals and strategists, who were appointed courtiers by the court. When Shang was killed, the rebels became stronger. Wang Duo, the prime minister, was appointed commander in chief by the imperial court, and Lu Xie was very unhappy. Cui Ao, the governor of Zhejiang Province, and others wrote a letter requesting the court to appoint Huang Chao to be in charge of Guangzhou's military and political affairs, and the emperor ordered the prime minister to agree. Dissatisfied with Wang Duo's appointment as commander-in-chief, Lu Xie, who wanted to provoke Huang Chao, insisted on not letting Huang Chao control Guangzhou, and only appointed this officer to lead the government. Lu Xie argued with Prime Minister Zheng Yi and threw the inkstone to the ground. Therefore, at the same time, the emperor dismissed two prime ministers and appointed Lu Xie as the guest of the prince.
In the sixth year of Ganfu (879), Gao Pian general Zhang Lin defeated the insurgents several times. Xie Lu usually treats Gao Pian well and often recommends Gao Pian as commander in chief. Right because of Gao Pian, also known as the worthies. When Wang Duo fell, he was removed from office and replaced by Gao Pian. So to the east of Tongguan, you, Shan, Xu, Deng, Bian, Sliding, Qing and Zhou all changed their generals. The commanders appointed by Wang Duo and Zheng Yi were all replaced. Lu Xie relied on Tian internally and Gao Pian externally, and the military and political power of the imperial court depended on him. At that time, Lu Xie suffered from rheumatism and was in a trance. Political decisions were made by officials around Wen Jixiu, and bribery was prevalent for a while. Insurgents invaded Huainan, Zhang Lin was killed, the governor of Xuzhou was driven away, and the officers and men of Suishui were defeated. The court was shocked and everyone blamed Xie Lu. When the rebels attacked Tongguan, Lu Xie was dismissed as prime minister again, and served as a guest of the prince. Suicide that night, at the age of 57, was the first year of Guangming (880).
Lu Xiegong's calligraphy is a must in Linchi. The first narrative of the origin of calligraphy teaching, claiming to be a family style of Yongxing, took the calligraphy theory of Hanlin and You Jun, the calligraphy theory of Li Xu, the calligraphy theory of Yu Dou and the eight methods of Yong Zi, and simplified them by deleting the complicated ones, thinking that their articles had eight uses.