In 672, Li Xian's title was changed to Prince of Yong, and he was given the titles of commandant at Liang Prefecture (涼州, roughly modern Wuwei, Gansu), but continued to also serve as general and prefect of Yong Prefecture.
In 672, Li Xian's title changed to Prince of Yong. He was appointed as the commander at Liang Prefecture (approximately modern Wuwei, Gansu), and also served as a general and prefect of Yong Prefecture, continuing his duties in both capacities.