Li Guang was a general in the Han Dynasty, and he had many allusions. One of the most famous allusions is that he was called "Flying General", because of his outstanding contribution in fighting against the Huns and maintaining the stability of the frontier, and his thoughts on running the army and military system had a far-reaching impact on later generations.

Another allusion is "Li Guang is hard to seal", which comes from Historical Records Biography of General Lee. Li Guang and his younger brother Cai Lidu were in charge of the Han Dynasty. "Cai is a middle and lower class, and his reputation is far from wide. However, he is not a knight, and he is an official, and Cai is a marquis, ranking third. "