The TV series " Cang Lang " was based on the famous war against the Xiongnu in Chinese history. During the Han Dynasty, the Xiongnu often harassed and invaded the Han Dynasty. The Han government launched many wars against the Xiongnu. The most famous one was the Battle of Monan during the reign of Emperor Wudi of the Han Dynasty. Under the leadership of the famous general Huo Qubing, the Han army successfully defeated the main force of the Xiongnu and eliminated the threat to the Han Dynasty. Therefore, the main character of the TV series " Cang Lang ", Zhang Cang Lang, was based on a Han Dynasty general, Huo Qubing, in the Battle of Monan.