Jia Yi's masterpiece of political prose is on Qin. This paper is the representative work of Jia Yizheng's thesis, which is divided into three parts. The full text analyzes the faults of the Qin Dynasty from various aspects, so it is named "On Qin".

This paper aims to summarize the historical lessons of Qin's sudden death and provide reference for the establishment of the system and the consolidation of the rule in the Han Dynasty. It is a group of articles with profound insights and great artistic appeal.

The background of Guo Qin's theory;

1, the era of Emperor Wendi in the Western Han Dynasty was the early stage of the so-called "peaceful and prosperous times" in the Han Dynasty, that is, "the rule of cultural scenes". Jia Yi, with his keen insight, saw the latent crisis in the Western Han Dynasty through appearances.

2. In order to reconcile various contradictions and ensure the long-term stability of the Western Han Dynasty, Jia Yi put forward many political opinions to the Han Dynasty in famous political essays such as Chen Zheng's Poems, On Storing and Storing Books, and On Guo Qin.

3. In the tone of exhortation, from the perspective of summing up historical experience and lessons, this paper analyzes the success or failure of Qin politics, which provides reference for Wendi's political reform.

Refer to the above? Baidu encyclopedia-on Qin