In The Book of Songs, Cai Wei wrote that soldiers were bored and worried because they were homesick.

Worry and guilt.

There is also such a poem in the poem, saying "go home" and "go home". This is the reason to be a family and a room. Said he went home, and he was depressed. The location of the garrison cannot be fixed, and it is impossible to take the letter home. He said that he went home and went home again in October. Worried and guilty, I can't do it. Recalling the original exploration, the wind in Yang Liuyi was blowing in the wind; Now back on the road, snowflakes are flying everywhere. The road is muddy and difficult to walk, and people are thirsty and hungry.

Xiaoya Cai Wei is a poem in The Book of Songs, the first collection of poems in ancient China. This poem sings the hard life and homesickness of the soldiers in the army in the tone of returning home and guarding the soldiers.