Take Liu Yong's ci as an example. Most of the poems before the Song Dynasty were the products of praising emperors' achievements or bureaucracies. However, with the growth of citizens in the Song Dynasty, the service objects of poetry began to change, and culture began to move closer to popularization. For example, the appearance of Goulan and Washe marks the popularization of literature and art, and the entertainment of citizens also makes storytelling and novel creation flourish.