It means: Baishan, there is snow in winter and summer, so it is called Baishan and Xiongnu is called Tianshan. When they pass by Tianshan Mountain, they will dismount and worship.
Extended data
Tianshan Mountain in Xinjiang refers to the part of Tianshan Mountain distributed in China. The total length is 1.760 km, accounting for more than 3/4 of the total length of Tianshan Mountain, spanning the whole territory of Xinjiang.
Tianshan Mountain in Xinjiang spans Kashgar, Kizilsu Kirgiz Autonomous Prefecture, Aksu Prefecture, Bayinguoleng Mongolian Autonomous Prefecture, Turpan City and Hami City in southern Xinjiang, Ili Kazakh Autonomous Prefecture, Bortala Mongolian Autonomous Prefecture, Shihezi City, Changji Hui Autonomous Prefecture and Urumqi City in northern Xinjiang. It is the natural geographical boundary between Junggar basin and Tarim basin, and it is also a unique symbol of Xinjiang geography.
Baidu Encyclopedia-Baishan
Baidu Encyclopedia-Tianshan Mountain in Xinjiang