Pei Yi came from the famous "Pei clan of Hedong", whose ancestors were The Three Kingdoms period cao wei xiangzhou assassin Shi Pei. During the Southern and Northern Dynasties, the influence of Confucian culture on the Han people was very profound, and most of the northern generals were skilled in bows and horses, with unparalleled combat weapons, and the ideal was to become an enemy by force. The southern generals, on the other hand, pay attention to the strategic planning, decisive victory thousands of miles away. Pei Yi's father had been a general on horseback, that is, after the shogun, he was also a family family, and the ideological education he received from childhood was different.
Pei Xiao was able to write articles at the age of ten, and Xiao Yaochang, the Assassin of Yuzhou, heard about Pei Xiao's talent. Therefore, after Xiao Yaochang took office, he asked Pei Yi to come to his subordinates as the main bookkeeper, and there was a Bagongshan Temple in Shouyang. At that time, Xiao Yaochang erected a monument for the Bagongshan Temple, and knew that Pei Wei's article was well written, so he asked Pei Yao to write an article for the temple stele. After Xiao Yaochang read it, he was even more full of praise for Pei Xiao's talent.
After Xiao Baojuan ascended the throne, Pei Yao was summoned by Xiao Yaoguang, the king of Shi'an, to join the army, Xiao Yaoguang was the nephew of The Qi Ming Emperor Xiao Luan, who after Xiao Luan's death was an auxiliary minister, but he was jealous of his cousin Xiao Baojuan, and had no choice but to rebel. Xiao Yaoguang was killed in a failed rebellion, and Pei returned to Shouyang. Pei Shuye, who was the assassin of Xuzhou at the time, was also suspected, and with Xiao Yaoguang's previous experience, Pei Shuye simply occupied Shouyang and surrendered to Northern Wei, and the Hao clan in Yuzhou were driven and plundered, and Pei Yi moved north with the fleeing people. Emperor Xuanwu of Northern Wei, Yuan Ke,who had long heard of Pei's talents, appointed him as the Taishou of Wei Commandery (魏郡太守).
However, Pei Yi only wanted to return to the Southern Dynasty, so he had been secretly planning how to go back, and just when the Northern Wei sent Wang Suzhen to guard Shouyang, Pei Yi asked to go with him. Not long after, Pei Fled back to Southern Liang, and Emperor Wu of Liang appointed him as an advisor to join the army. Pei Yi was bent on doing something for the country, so he asked Emperor Wu of Liang for orders to go to the front border. Emperor Wu of Liang was also very happy, so he made him the Taishou of Lujiang, at this time the Northern Wei general Lü Po led 50,000 troops to suddenly attack Lujiang County, Pei Yi led his soldiers to resist, and Lü Po was defeated.
When Wei Rui attacked Xiao Da Shan and prepared to attack Hefei, Pei Wei followed Wei Rui's army forward, and Pei Wei attacked Yangshi City and killed the city lord Yuan kang. At this time, Xiao Hong, the king of Linchuan, escaped from the battlefield, causing heavy losses to the Northern Expeditionary army, and the victory of Wei Rui and Pei Wei could not stop the rout of the Southern Liang army, and in desperation, Emperor Wu of Liang had to order them to return to the dynasty.
During the Battle of Zhong Li, Pei Wei accompanied Wei Rui to support Zhong Li, and Pei Wei fought with the Northern Wei army and won many battles. At that time, huaishui was soaring, and Wei Rui immediately ordered Pei Wei and Feng Daogen, the Taishou of Southern Liang County, to attack the Wei army on zhou by fighting ship, Pei Wei was the first soldier, killing the Northern Wei army in chaos, Wei Rui attacked with fire, Northern Wei was defeated, and the Northern Wei commander Yuan Ying fled on a single horse. Although the main figure in the Battle of Zhong Li was Wei Rui, Pei Yi also personally led his troops to kill the enemy.
After the return of the dynasty, Pei Yi asked for help to defend The Stone City, and during his term of office, thousands of hectares of tun fields were opened, so that the grain reserves were full, the border was restored to stability, and the officials and people could live in peace. Later, the Yizhou assassin Shi Wen monk Mingju Prefecture rebelled against Northern Wei, Emperor Wu of Liang appointed Pei Wei to go to quell the rebellion, Pei Wei led a large army to march deep into Northern Wei territory, defeated the Northern Wei sent by the Northern Wei assassin Shi Fengshou, Feng Shou was besieged, after the breakthrough was hopeless, surrendered to Pei Yi, and immediately recovered the territory.
Emperor Xiao Yan of Liangwu sent an army to the Northern Expedition and appointed Pei Yi as commander-in-chief, and Pei Ordered His Men to lead 3,000 cavalry to attack Shouyang. Pei Yi arrived and engaged in a fierce battle with the Northern Wei general Changsun Zhi. The two sides fought nine rounds in one day. In the end, Pei Wei could not provide support and had to retreat. After the retreat, Pei Yi immediately reorganized his soldiers and horses, and went to attack Northern Wei again, and the generals, encouraged by him, broke through dozens of cities in Northern Wei with one block and ten blocks.
After Pei Yu attacked Xincai County, the Northern Wei royal family sent Wang Yuanchen of Hejian to fight. YuanChen was afraid of Pei Chen, so that the army did not dare to find Pei Wei for a decisive battle for several months, and Emperor Xiaoming saw that it would not be okay to drag it on like this, so he ordered people to hold the knot and carry a knife to urge Yuan Chen to attack, Yuan Chen had no choice but to harden his scalp, psychologically and morale Pei Wei had already won, and there was no doubt that Yuan Chen had lost this battle. Defeated tens of thousands of Northern Wei troops and killed more than 10,000 Northern Wei people, but unfortunately, within two months Pei Xiao fell ill and died in the army.