Yue Ji summarizes and interprets the music aesthetics of pre-Qin Confucian, and its important point of view of “tuning one’s heart by deeply experiencing music” emphasizes that music is a kind of sound art created by people, and profoundly affects people’s physical and mental shaping from many aspects. It is believed that music can make ethics clear and make people peaceful; More importantly, music can edify people’s sentiment, and ultimately help people change from natural people to social people, from boorish people to civilized people.