The main theme categories of "The Book of Songs" are:
1. Ancestor worship odes and Zhou clan epics: Most of these works focus on worshiping and praising ancestors, or telling stories about tribal happenings and the history of its development.
2. Agricultural poems: poems that describe many ancestors engaged in agricultural production, such as "Chen Gong", "Feng Nian", etc. Among them, "July" is the most representative work. It directly reflects the agricultural production process of the Zhou people and is the best work among agricultural poems.
3. Yan Feast Poems: Poems with the theme of the gathering of monarchs, ministers, relatives and friends. Among them, "Xiaoya Deer Ming" is a poem about the emperor's banquet with ministers.
4. Poetry of Resentment: Produced in the Western Zhou Dynasty, which mainly reflects the darkness of rule and social turmoil in the Western Zhou Dynasty. Many works satirize things such as getting something for nothing and greed, exposing the shamelessness and ugly face of the rulers. The irony is strong and at the same time a metaphor for resentment and injustice.
5. War corvee poems: Positively describe the great achievements of the emperor and princes, and strongly express their pride and optimism.
6. Marriage and love poems: These are the works with the most descriptions in the Book of Songs. There are poems about mutual love between men and women, poems about men and women missing each other, and poems about marriage and family.