In "Meat Fragrance", it says: Dry is male and female is Kun. As the name implies, this is a city dominated by women. The enemy besieged the city for three years and ran out of food. Don't catch women in the city, eat 30 people every day until reinforcements arrive three years later. After the Anshi Rebellion, all the men in the city died overnight.
Historically, during the Anshi Rebellion, Yin surrounded Suiyang three times in the first month, March and July. In July, the city ran out of food, and the garrison commander Zhang Xun loved to kill concubines. He shared the meat with the defenders and the gold and silver as a sign of sharing weal and woe and reviving morale. The novel should be based on this.
The Book of Loyalty and Righteousness in the Tang Dynasty reads: "Zhang Xun defended Suiyang City, and for a long time attacked the city pool. The food in the city is exhausted, and the children eat well. The patrolman is his concubine, who killed the three armies for the sake of the sergeant. He said, "You have devoted yourself to defending the city for your country. Patrol can't cut their own skin to spit soldiers, what a pity this woman is! "All the soldiers cried, so they couldn't bear to eat, and the patrol forced them to eat. Including the women in the city, behind them are men or women, and the population is 20 thousand to 30 thousand. Xu Yuan also killed slaves to feed his soldiers. "