First of all, the creation of The Book of Songs follows the principle of "Hungry people sing about their food and laborers sing about their affairs". Based on the social reality, it has no illusory and grotesque myths, and there are few supernatural myths, which has unfolded an image picture of the political situation, social life, customs and people's feelings at that time. Especially the works in the national style, they come from real life, directly express their feelings about real life and reveal the essence of social life without affectation. For example, The Wind in July describes in detail the whole life of slaves from the beginning of the year to the end of the year, without strong resentment, and only by writing a lot of objective reality, it effectively reveals the sadness and pain of slaves and outlines a picture of ancient slave society. In addition, Zhou people's epic of elegance and vulgarity truly reproduces the history of Zhou people's development, while the poem "Elegance and Vulgarity" produced under the social background of the decline of Zhou Taoism shows the poet's strong concern for reality, full of anxiety and enthusiasm for interfering in politics. The poets in troubled times truly recorded the decadent, dark and tragic social reality at that time, and the feelings of worrying about the country and the people showed in them further strengthened the depth of these works reflecting reality.
Secondly, The Book of Songs is a natural expression of the thoughts and feelings of working people, with a simple and natural beauty. It can be said that the works with national style more express the poet's true feelings about life such as war corvee, marriage and love. In the concrete description of these aspects of life, the poet's sincere feelings, distinctive personality and positive attitude towards life are shown.
In a word, this realistic spirit and simple and natural style of The Book of Songs embodies its basic characteristics of realism and lays an excellent tradition of China's ancient poetry creation.