Dou E Yuan is a zaju created by Guan Hanqing, a dramatist in Yuan Dynasty. The prototype of the story comes from the dutiful wife of Donghai in Biography of Lienv. Dou E is a kind widow of Cai family. Zhang Lver, a gangster, wanted to marry her and got poison from the doctor Sailu. He tried to poison Dou E's mother-in-law, but poisoned his own mother. However, Zhang Luer bribed the government and accused Dou E's mother-in-law of being a murderer, which led to Dou E's mother-in-law being tortured by the government. When Dou E saw that her mother-in-law was punished, she admitted that she was a murderer against her will. Before being sentenced to death, Dou E severely criticized the darkness of the government and the injustice of this lawsuit. Her sense of death shocked the earth, her blood splashed in vain, it snowed in June and there was a drought in Chuzhou for three years. Later, when my father came back as an official, he put Zhang Donkey, Dr. Sailu and other bad guys to death for revenge. ..