After Li Jue and Guo Si took control of Emperor Xian due to disagreement, Yang Feng and Dong Cheng escaped from Chang'an and arrived at Luoyang. Yang Biao, the lieutenant, advised Cao Cao that he had a strong army and could be summoned to the court to assist the royal family, so he sent an envoy to summon Cao Cao to the court. When Cao Cao heard that Emperor Xian had arrived in Luoyang, he was preparing to go to protect the Emperor to gain the public's expectation, when the messenger of the Son of Heaven arrived, Cao Cao was very happy and led his army to the court. When Cao Cao followed the Emperor, Li Jue Guo Si came after him and killed him.

李傕、郭汜控制献帝后因不合在长安城中大肆交兵，杨奉、董承等护驾逃出长安，到达洛阳。太尉杨彪进谏：曹操兵强将盛，可宣召入朝辅佐王室，于是遣使召曹操入朝。曹操听闻献帝到洛阳，正准备前去护驾以得众望，正巧天子使者到，曹操大喜，领大军前去。曹操接着献帝，李傕郭汜追兵杀至，曹操将其杀败。

李傕、郭汜控制獻帝後因不合在長安城中大肆交兵，楊奉、董承等護駕逃出長安，到達洛陽。太尉楊彪進諫：曹操兵強將盛，可宣召入朝輔佐王室，於是遣使召曹操入朝。曹操聽聞獻帝到洛陽，正準備前去護駕以得眾望，正巧天子使者到，曹操大喜，領大軍前去。曹操接著獻帝，李傕郭汜追兵殺至，曹操將其殺敗。