In fact, folk songs and poems are essentially the same, both caused by people's feelings and feelings. The difference is that folk songs are freely revealed by the people, which are more simple, more free and more grounded. Some poems come from folk songs, such as The Book of Songs. Many excellent works come from collecting folk songs. The difference is that poetry in the general sense is processed by literati or directly created by literati. For example, in the Book of Songs, the legend was processed by Confucius. For example, poets after the Tang Dynasty were all professional literati poems.