Poems played by Yuefu organs in Han Dynasty were called Qu, and in Wei, Jin and Six Dynasties, poems were called Yuefu or Yuefu poems, so "Yuefu" became the name of a specific poetic style.
Yuefu folk songs in Han Dynasty not only have rich social content, but also have profound ideological significance. What they do is "take sorrow as joy, take things as cause", that is to say, the authors of Yuefu folk songs are oriented to real life and create according to the joys and sorrows shown by people in various encounters. It truly and concretely reflects the social outlook and people's thoughts and feelings at that time, and is the inheritance and development of the fine tradition of realism in The Book of Songs.
Some of them reflect the sufferings and resistance of the working people. For example, Gynecology describes a woman from a poor family who finally died of poverty and disease. At the end of her life, she told her husband to look after the children. However, under the cruel exploitation and oppression, the working people have no livelihood, and father and son cannot protect each other. Finally, they had to go against their wives' last words and abandon their children. A trip to the East Gate describes the process that poor and kind people are forced to take risks by officials when they are naked, hungry and have no way to go.
Some made public the disasters and sufferings brought by war and corvee to the people. For example, the hero in the poem "Fifteenth Conscription",/kloc-joined the army at the age of 0/5 and returned to his hometown at the age of 80. Looking at my hometown from a distance, I saw many graves, and when I got home, it was desolate and empty. At this time, the old man was desperate, leaning against the door and looking at the distance, not knowing how to spend this lonely old age. Just a dozen poems, written sadly and touching.