Liuzhou Iron Casting: In the last year of the Tang Dynasty, Tianxiong Jiedu made Luo Shaowei. He was known as the five thousand subordinates of the Tooth Army, but because these subordinates were difficult to control, he invited Zhu Quanzhong's army to eliminate them.

But the result was that his own power was also weakened from then on, and he said with great remorse and remorse: "Even if it is to gather the subways of the six states and forty-three counties, it will not make such a big mistake!" See Zizhi Tongjian. Tang Zhaozong Tianyou Three Years". "Wrong" here refers to the pun,
Refers to both an ancient coin and an error. Later, the "six states iron casting" was cast as an allusion to major losses and mistakes, and regretted it. It is also known as "Six States Iron", "Six States Cast Error", "Six States Wrong Cast", "Six States Cast Iron" and "Six States Cast".
Yuan. Liu Yin wrote in the poem "Sitting at Night with the Old Man in Mind": "There is a mistake that really becomes the iron of the six states, and I want to return the empty talk about the big knife head." clear. Liu Lufen in "Trivial Window Cold. The words of "Begonias" read: "Tears and mist powder are evenly exposed, and the six states cast acacia mistakes."