1, Yangchun Baixue: Yangchun, Baixue: It is a highly artistic and difficult song of Chu State in the Warring States Period. Later, it refers to profound and unfashionable literature and art.

2. Chin Beauty: Metaphor of popular literature and art: Chun Xue is its antonym, which means elegant art..

3. "Chun Xue", also known as "Spring Ancient Songs", is a famous song of Shi Kuang in the State of Jin in the Spring and Autumn Period. Famous guqin music. During the Warring States period, it became the elegant music of Chu State. It also refers to profound, elegant and incomprehensible literary and artistic works. Often with "chin beauty". From Han and Liu Xiang's "New Preface" Volume II "Miscellaneous Matters II": "There are thousands of singers in the Song Dynasty, and those in the middle of the country are harmonious. It is to pick Wei for Yangling, and hundreds of people belong to the country. It is Chun Xue again, and there are only dozens of returnees. " Li note: "Yangchun Baixue is also a famous song." Later, it generally refers to elegant music.