As a youth he saw Tang influence decline in favor of Tibetan Empire in Central Asia, thus he couldn't rule his ancestral lands and tribes.
However, in 685 Wu Zetian made him Jiwangjue Khagan and Mengchi Protector-General in order to strengthen the rule in west.
'Khagan who devoted his loyalty to his emperor') for his valiant fights against the Tibetan Empire and the Second Turkic Khaganate.
After Ashina Tuizi's rebellion he was sent again to Suiye in 700, as the Commander-in-Chief of the Expeditionary Pingxi Force (平西軍大総管).
However, after the rise of Wuzhile (chief of Turgesh), he did not dare to come back to the Western Region again.