Geographically, the word Jianghu can refer to three rivers and five lakes, but the word "Jianghu" is a pair of words, which has another meaning in China culture, such as Master Zhuangzi: "When the spring is dry, the fish are on the land, so it is better to forget the Jianghu." The Jianghu in the book refers to the vast and carefree suitability; Fan Zhongyan's "Yueyang Tower" in the Northern Song Dynasty: "If you live in a temple, you must worry about its people; If you are far away in the rivers and lakes, you will worry about your husband. " Jianghu is used to refer to the people, contrary to the meaning of the imperial court. It is precisely because the master hermit is unwilling to be commanded and controlled by the court, despises his official career, and is arrogant and extravagant, so the rivers and lakes are also cited as a society where heroes and chivalrous men are rampant. Because the life of swords and shadows in martial arts novels is not a normal life order, only the underworld ecology with violent conflicts as the normal state can approach the so-called rivers and lakes in today's society. Therefore, the word Jianghu has evolved into a negative or specific noun, such as "mixed Jianghu", which means mixed underworld; "Jianghu" is a metaphor for well-informed negative figures; "Jianghu is sinister" refers to a place where right and wrong are troubled. And the well-known phrase "People can't help themselves in rivers and lakes" (this expression comes from Gu Long) means that people often do things they don't want to do because of the pressure of people around them in a specific environment.