Today, October 15, 1161, yan liang invaded the Song Dynasty

In September 1161 (the thirty-first year of Shaoxing), the Jin lord Yan Liang tore up the peace treaty after killing Jin Xizong and usurping the throne, and poured 600,000 troops of the whole country south to destroy the Song. In September, the Jin army of the Western Route entered the Sichuan border thirty miles from Fengxiang Province, attacked Huangniu Fort with cavalry, and the defender Li Yanjian sent a warning to Sichuan Xuanfu to make Wu Xuan anxious, and Wu Xuan took command of the illness, repelled the Jin army, and took advantage of the situation to retake qin tao longhua shaanxi merchants and merchants. The Jinzhong Route Army attacked the Gwanghua Army from Cai Prefecture, all the armies stationed in Ezhou commanded Wu Gong sent you Yi to command Zhang Chao's reinforcements, Chao led the army to enter the city, hundreds of horses of the Jin army immediately arrived, the two armies launched a street battle, after the defeat of the Jin army, the Jin army successively captured the Xinyang Army, Luoshan County, Gwangju, and besieged Fancheng, Wu Gong led the army from Ezhou to Xiangyang Province, sent troops to aid Fancheng, the Jin army was blocked by the Moat of Fancheng, the commander Zhang Ping met the enemy with a hundred horses, the deputy general Zhai Gui and the general Wang Jin led the army out of Fancheng, the Jin army was defeated, and the second general Zhai Wang took advantage of the victory to pursue and died in ambush. Song Zhijun took advantage of the emptiness of the Jin army in Henan to restore Deng Prefecture with militia and officers.

In October, the Song army in Jinghu launched a large-scale counterattack, successively conquering Gwangju, Caizhou, and Xincai and Pingyi. Li Bao, deputy commander of the Horse Infantry Army of the Two Zhejiang West Roads, led a water army of 3,000, and 120 warships to the north, first to relieve the siege of Haizhou, and then to Jiaoxi Tang Island in Mizhou, taking advantage of the unprepared raid of the Jin army, rockets were fired in unison, the Jin army jumped into the sea and drowned many people, the Song army captured 3,000 Jin troops, and captured tens of thousands of uniform army seals, documents, armor, and grain. The Jindong Route Army advanced to the north bank of the Huai River in early October, and the deputy envoys of Jianghuai and Zhejiang, and the various armies stationed in Jiankang Province, all commanded the royal power without resisting and fled, until the Jin people crossed the Huai River and successively occupied Shouchun Province, Luzhou, Hezhou, Chuzhou, and Yangzhou, approaching the Yangtze River. At this time, the Song court sent Yu Yunwen, a Zhongshushe man, to the front line of labor, Yu Yunwen arrived at the front line to collect 18,000 troops, and lined up on the riverbank by foot, and the water army was divided into five teams, two teams patrolling the river, one team deployed in the middle of the river, and two teams in hidden harbors. The Song army used artillery to repel Yan Liang's army in the Battle of Quarry, and the Jin army was forced to retreat to Hezhou, intending to cross the river from Guazhou. At this time, there was a mutiny after the Jin Dynasty, and the Jin nobleman Yan Yong ascended the throne as Jin Shizong in Liaoyang, and demoted Yan Liang to the position of King of Hailing. Yan Liang was furious when he heard the news, and ordered the army to cross the river tomorrow to attack, but the Jin army did not want to send him to death, so he mutinied and killed Yan Liang.

The war caused Emperor Gaozong of Song's policy of seeking peace by his subjects to fail, and he abdicated. After stabilizing the situation, Jin Shizong negotiated peace with Song and continued to maintain the Shaoxing peace agreement, and Song Jin signed the Longxing Peace Agreement, and the war came to an end.