In early January 1127, the second year of the Northern Song Dynasty, the Jin army attacked the Capital of the Northern Song Dynasty, Kaifeng, and all the members of the royal family, except for King Zhao Of Kang, were captured and sent to the Northern Jin Dynasty to let Zhang Bangchang act as emperor and establish the state name Chu, known as the pseudo-Chu regime. Every time Zhang Bangchang went to the court, he did not dare to sit on the imperial seat, and every time he stood next to him in accordance with the courtesy of the king. After the pseudo-Chu lasted about a month, King Zhao of Kang returned to Kaifeng to succeed him as the commander-in-chief. Zhao Chou chose Nanjing (present-day Shangqiu) to take the throne, and after taking the throne, he executed Zhang Bangchang.
After Zhao Zhao took the throne, he ran to the south, and finally set the capital in Hangzhou, changing Hangzhou to "Lin'an". At this time, the north was defended by Zong Ze, and at that time, with Kaifeng as the center, various armed forces submitted to Zong Ze to resist the Jin Dynasty. But Zongze was older after all and died in 1128. The person who succeeded Zong Ze was named Du Chong, and after he took over, he went against Zong Ze's policy, gave up the vast north China region, and also ran to the south. There was a general under Zong Ze's banner, called Yue Fei, who also reluctantly returned to the south.
After the regular army retreated, in the vast northern region, there were actually rebels fighting against the Jin army. In the ninth year of Shaoxing (1139 AD), in Shandong, there was a scoundrel named Li Bao, who fought against the Jin army in a place north of Juancheng in Shandong (in present-day Juancheng County, Heze City, Shandong Province). In fact, don't underestimate the rogue, the ZTE general Han Shizhong is also a rogue. However, Li Bao was obviously not as godly as Han Shizhong in fighting, and his resistance was a series of defeats, leaving only dozens of brothers, who could only cross the river to Lin'an and defect to Yue Fei.
However, it is said that Li Bao felt that he had some big materials under Yue Fei's hands, so he took forty brothers with him to plan to return to Shandong, or planned to do it himself, but because the road was not familiar, he was finally captured by Yue Fei. Originally, this kind of person was to be dealt with according to military law, but Li Bao expressed his dissatisfaction with Yue Fei here and planned to go it alone, Yue Fei saw that he was also a hanzi, so he continued to keep him, and then he was sent by Yue Fei to contact the rebel army in Shandong, and repeatedly suppressed the Jin army in Shandong. Later, he followed Han Shizhong and guarded Haizhou (海州, southwest of present-day Lianyungang, Jiangsu).
In the 31st year of Shaoxing, the two sides of the Song and Jin had already been negotiated, and the war began again, and the Jin Emperor Yan Liang led a large number of people and horses to invade the south. The Guanghai Road Army had 70,000 men and 600 warships. Li Bao led the Zhou division to defeat the Jin army continuously, and then only used 3,000 sailors, 120 warships found the Jin army moored in ChenJiaDao (now TangDao, Huangdao District) to find that the Jin army was moored for shelter, Li Bao took advantage of the weakness of the Jin army's poor water warfare, and also came to a fire attack, annihilating Yan Liang's boat division in one fell swoop. Give the Jin Dynasty a bitter blow. Finally, he became famous in the First World War and became a generation of famous generals.