Xiang Yu hosted a banquet at Hongmen, Liu Bang took the opportunity to escape. Xiang Yu led his army to the west. After entering Xianyang, he ordered the massacre and ordered Yingbu to kill Emperor Chu Yi in the Yangtze River. In February of the first year of Emperor Gaodi of Han, Xiang Yu sent troops to the land (today Shandong Most of them) attacked Tian Rong. In April of the second year (205 years ago), the Chu army was stuck in Chengyang (now northeast of Heze, Shandong). Liu Bang in Luoyang could not miss the opportunity to gather a total of 560,000 soldiers from the Han army and the five princes. Starting from Luoyang, under the name of Yi Emperor's revenge, he attacked Xiang Yu to the east. Captured Pengcheng. Peng Yue led 30,000 people to join the Han army on the way. In this battle, the Han army won a big victory, and Liu Bang was negligent in defense when he "received the goods, the beauty, the Nikkei Liquor High Club". Upon learning that Pengcheng had fallen, Xiang Yu immediately led 30,000 elites from Lu (now Qufu, Shandong) all the way south, across Huling (now southeast of Yutai, Shandong), to Xiaoxian (now northwest of Xiaoxian, Anhui) in the western suburbs of Pengdi. The next morning, taking advantage of his unpreparedness to launch an offensive, the Han army broke through at noon, and the Han army was crushed in the Gu, Si, and Suishui areas. Xiang Yu regained Pengcheng and pursued it, until Sui Shui (now west of Huaibei City, Anhui), the Han army drowned more than 100,000 people, "Sui Shui did not flow" (blocking the flow of a river). The Chu army took Liu Bang's father, grandfather, mother Liu Yu and his wife Lu pheasant into captivity. Liu Bang was trapped on the west side of Pengcheng, and his short weapon could be pierced. He used his old feelings to make Chu release Ding Gong. At this time, a strong wind blew in the northwest, and the sky was dark for a while. Liu Bang’s son Liu Ying, female Princess Lu Yuan and other dozens of riders Break out of Benxiayi (now Dangshan, Anhui). In this battle, the vitality of the Han army was greatly injured, and Liu Bang's princes turned their backs to Chu. Liu Bang had to collect the remnants and retreat to Xingyang (now Guying Town, northeast of Xingyang, Henan). After this battle, the armies of Liu Bang and Xiang Yu were at a standstill in Xingyang.
