In the third year of Baoding (268), Sun Hao set off a large-scale offensive against the Jin Dynasty, when he sent troops to the north on a three-way expedition, all the way south to crusade against Jiaozhi, but several battles were defeated, with a lot of losses, and he returned in vain.

【Three-Way Northern Expedition】

In the autumn of the third year of Baoding (268), Sun Hao began to attack the Western Jin Dynasty. In this year, he personally led a large army to garrison Dongguan (now southwest of Hanshan County, Anhui Province), and ordered the left great Sima Shi Ji to attack Jiangxia, the right prime minister Wan Yu to attack Xiangyang, the right great Sima Ding Feng, and the right general Zhuge Liang to attack Hefei, and the three northern expeditions to the Jin Dynasty, but all three roads were defeated, and the defeated army returned.

At that time, Shi Ji attacked Jiangxia County, causing a commotion on the border. The Jin court ordered Sima Wang to lead a total of 20,000 infantry cavalry of the Chinese army, out of Tunlongpi, as an important town for the two sides, and granted him a false festival to increase the capital to supervise the military. Soon, Jingzhou assassin Shi Hu Lie broke Shi Ji, and Sima Wang returned to the court.

At that time, Ding Feng and others were stationed on the Huainan front, and the north was the great Sima Shibao of the Jin Dynasty.

Historically, the Huainan area was a place where rebellions were frequent, and after the Sima family took power, three large-scale rebellions broke out successively, including Wang Ling, Biqiu Jian, and Zhuge Dan, so the Sima family has always been worried about the governor of Huainan.

Shi Bao was promoted to the general of Zhendong after the Zhuge Rebellion, and was promoted to the general of the east of the city, and the following year he replaced Wang Ji and led the capital to supervise the military of Yangzhou, and later was promoted to the general of the east and the general of the hussars.

However, although Shi Bao was diligent in affairs when he was guarding the Huainan area, he also persuaded people with virtue. But Wang Chen, the supervisor of Huaibei, looked down on Shi Bao and came from a humble background. In the fourth year of the beginning of Tai (268), after Ding Feng adopted the strategy of separation, there was a local nursery rhyme that said: "The big horse in the palace is a donkey, and the big stone is not comfortable", Wang Chen therefore secretly played the stone bud and the Dongwu communication to betray the country.

After Sima Yan received the secret recital, and the soothsayer who had observed the clouds earlier, he said, "There are big soldiers in the south", so he was very puzzled. At this time, Jingzhou Thorn Shi Hu Lie said that Dongwu planned to attack on a large scale, and Shi Bao also received the news that Dongwu was going to attack, so he built a fortress to block the flow of water and strengthen the defense. Sima Yan was even more worried, afraid of repeating what happened to Wang Ling back then, although Yanghu firmly believed that Shi Bao would not rebel, but Sima Yan still felt puzzled. It happened that Shi Qiao, the son of Shi Bao, did not come for many days after being summoned, Sima Yan decided that Shi Bao was going to rebel and planned to secretly crusade, and issued an edict saying that Shi Bao did not expect the situation, annoyed the people and removed him from his official position, and sent Sima Wang, the king of Yiyang, the Taiwei, to lead a large army to requisition him, and ordered Sima Ling, the evil king of Lang, to lead his troops to move from Xiapi to Shouchun, and they were all ready to suppress him when Shi Bao rebelled. Seeing this, Shi Bao used the strategy of his subordinate Sun Shuo to leave the army and go to the capital to wait for the crime.

So Wu general Ding Feng and others took the opportunity to attack Shaobei, Sima Wang led the army to meet the attack, but Ding Feng had already retreated. Soon, Sima Wang was worshiped as the Great Sima. Baoding's three-year Northern Expedition ended in failure.

At the end of the first year of Jianheng (269), Sun Hao once again asked the right great Sima Dingfeng to send troops to the north to attack Guyang. The people of Guyang got the news and all evacuated, but Ding Feng found nothing. Sun Hao was furious and beheaded Ding Feng's guide officer. In the following year (270), Ding Fengbu was repelled by the Jin general Xianhong in the area of Wukou (present-day Huaiyuan County, Anhui Province).

After two defeats, Sun Hao was still unwilling, and in the first month of the spring of the third year of Jianheng (271), he personally led a large army from Niuzhu to the west to invade Jin, and Sun Hao's mother and concubines followed. Dongguan ordered Hua Yu and others to argue with reason, and Sun Hao returned.

According to the "Biography of Jiangbiao", it is recorded that Yang Diao Xuan of Chudan made Shu, and Sima Hui and Liu Hui discussed several things about fortune. Xuan deceitful increased his text to the people of the country: "The yellow flag and purple cover are seen in the southeast, and there will be those in the world, Jing and Yang!" "China has to descend again, and there is a nursery rhyme under Yan Shouchun that says, "Wu Tianzi is on the throne". When Hao heard this, he said: "This destiny is also." That is, carrying his mother, wife and thousands of people in the harem, from the Niuzhu land road to the west, Yunqing covered into Luoyang, in order to obey the destiny of heaven. In the heavy snow, the road was damaged, the soldiers were held by the armor, and a total of 100 people led a cart, and they died of cold. The soldiers were unbearable, and they all said: "If you encounter an enemy, you should turn to Goer." "When you hear it, you return it.

【Southern Expedition】

Cochin had already broken out into a large-scale rebellion as early as the Sun Xiu period.

In the fifth year of Yong'an (262), Sun Xiu, the lord of Wu, sent Deng Xun to Jiaolu to recruit peacocks and wild boars. Jiaolu Taishou Sun Zhen had previously sent thousands of handicraftsmen in the county to Jianye to serve in labor, and the local people thought that Deng Xun was going to increase the number of laborers again. The county official Lü Xing took the opportunity to incite soldiers and civilians, and recruited the nearby Yi tribes, and in May of the following year, he raised an army and killed Taishou Sun Zhen and Deng Xun. (One said that Sun Zhen was greedy and tyrannical, and after Deng Xun arrived in Jiaoluan, he requisitioned thirty peacocks without authorization, and the county official Lu Xing took the lead in the incident and killed Sun Zhen and Deng Xun)

In the seventh year of Yong'an (264), Sima destroyed Shu and Sun Xiu died, and Wu had no time to deal with the affairs of Jiaozhi, and before Sun Xiu died, the four counties of Nanhai, Cangwu, Gaoliang and Yulin in the north of Jiaozhou were placed in Guangzhou to avoid the expansion of the situation.

Lü Xing's rebellion soon spread to Jiuzhen and Rinan counties, and even Lü Xing led his army to force Hepu, hoping that Hepu could also join. After the death of Shu, Lü Xing sent the commander Tang Pu to Nanzhong, and asked Huo Yi, the governor of Nanzhong, to join Cao Wei to seek refuge, hoping that Wei would send troops to help, and asked Wei to appoint him as the governor of Jiaolu's military, Shangda's general, and the marquis of Anding County in order to stabilize the situation in Jiaolu. Huo Yi made the matter clear to Luoyang and conveyed the request to the generals of Luan, which was finally approved by the Wei court.

At that time, Wei also ordered Huo Yi to assassinate Jiaozhou, entrusted the affairs of Jiaozhou to him, and allowed him to decide on the appointment of officials in the Jiaozhou area. Huo Yizuo asked for the appointment of Jianning people to Jiaogu as the Taishou of Jiaoluan, and sent the generals Dong Yuan, Mao Jiong, Meng Gan, Meng Tong, Ji Neng, Li Song, Wang Su and others to lead the army to aid Lu Xing. But before Jiaogu and the others arrived in Jiaoluan, Lü Xing was killed by his Gong Cao Li Tong.

Fu Gu and others led the army from Nanzhong to Longbian to pacify the newly annexed Jiaolu and other places. Later, Sima Yan replaced Wei and established the Jin Dynasty, and Huo Yi, Jiaogu and others declared their allegiance to the Jin. Soon after, Gu died, and Huo Yi asked for the Brazilian Ma Rong (Ma Zhong's son) to succeed him as the Taishou of Jiaoluan. Later, Ma Rong also died of illness, and Huo Yi took Yang Ji as the Qianren and succeeded him as Taishou. After two years of operation by Yang Ji and others, the Jin State has occupied the two counties of Jiaolu and Jiuzhen of the Wu State, and Rinan has also been within reach.

In the third year of Baoding (268), Sun Hao appointed Liu Jun as the Assassin of Jiaozhou, and Xiu Ze of the former Jiaozhou Assassin as the former governor, and together with the general Gu Rong (Gu Yong's younger brother), he was responsible for the crusade against the Jin army stationed in Jiaoluan. The Wu army attacked Jiaolu many times in a row and was defeated by the Jin general Yang Ji, and even the two counties of Yulin and Jiuzhen also turned to Yang Ji, and the battle situation gradually became unfavorable to the Wu army. Yang Ji took advantage of the situation and sent Mao Jiong, Dong Yuan and others to lead an army to attack Hepu, the garrison of the Wu army. The two armies fought at the ancient city (present-day northeast of Hepu County, Guangxi Zhuang Autonomous Region), and the Jin army won a resounding victory, while Wu Jiangxiu was beheaded by Mao Jiong, and Liu Jun was also killed in the battle. The remnants of the Wu army retired to Hepu.