What is documentary prose?

Zhu Ziqing's masterpiece The Back is a famous documentary prose. Before you start writing, you can read Back and learn its essence.

Documentary is to choose to be close to the life of the times, to pay loyal attention to the people in the world, and to record the current social changes.

Prose refers to a literary genre that does not pay attention to rhythm, including essays, essays and travel notes.

Hope to adopt, thank you.