Liu Shan talked about the Battle of Chibi in the Three Kingdoms: After Cao Cao defeated Yuan Shao to unify the north, he tried to capture the Yangtze River Valley and unify China. In the thirteenth year of Jian'an (208), Cao Cao personally commanded an army of 200,000, known as 800,000, to conquer Liu Biao in the south, with the aim of first taking Jingzhou, annexing Liu Bei, who was attached to Liu Biao, and then going down the river to pacify Jiangdong. Liu Biao fell ill and died, and his son surrendered to Cao. Liu Bei was defeated by Cao Cao at Changbanpo in Dangyang, and immediately sent Zhuge Liang to Jiangdong to join forces with Sun Quan to fight against Cao Cao. Sun Liu's combined forces and Cao Cao met at Chibi and formed a confrontation, although Cao's army was numerically superior, but the soldiers were not satisfied with water and soil, did not practice water warfare, and the plague epidemic in the army ... In the first engagement, the Cao army failed and retreated to the north, linking the warships to prevent bumps. Zhou Yu and Zhuge Liang determined the time of the fire attack, and burned the warships of the Cao army together with the camp on the riverbank, the Cao army was in chaos, and Sun Liu's coalition army took advantage of the victory to pursue, defeated Cao Cao, and Cao Cao cleaned up the remnants... Back to the north, the Battle of Chibi directly determined the situation of the three worlds, and the Battle of Chibi is also a classic case of winning more with less and winning more with the weak, and it is also a symbolic event of the formation of the entire Three Kingdoms...