Once you enter the rivers and lakes, you are as deep as the sea, and you still know your way back from prison. From the 1990s to the early 2000s, the economy of the southwest region entered a stage of rapid development. In order to maximize profits on the legal frontier, some unscrupulous businessmen recruited idle people on the street to become brothers and form gangs. This article only tells the story of the top brother Guo Yutian from the perspective of documentary literature and criticism. If it is not thoughtful, I hope you guys will show your arms and show your noble hands!