The situation was that Cao Cao attacked Xuzhou, Liu Bei's army was defeated, and Liu Bei didn't care about his wife and fled. Cao Cao's general Zhang Liao, who was a good friend of Guan Yu, went to persuade him to surrender, and Guan Yu agreed to do these three things with Cao Cao. Cao Cao promised that Guan Yu would surrender; otherwise, he would rather die than surrender.