The main content of joining the army is only one sentence.

"Essay Joining the Army" tells the story of Ban Chao in the Eastern Han Dynasty. Later, it was used to describe a scholar who joined the army, abandoned his literary career and became a warrior.

Ye Fan's Biography of Ban Chao in the Southern Song Dynasty: "I am poor and often work as an official to support me. Thanks for your hard work. After resigning, he threw a pen and sighed, "A gentleman has no ambition. He should still make contributions to Fu Jiezi and Zhang Qian in the Western Regions to win the championship. Ann has been studying for a long time? "After meritorious service in the western regions, he was appointed as a distant Hou.