Contents
Biography & Historical Record
Niu Jin (dates of birth and death unknown) was a military general who served the state of Cao Wei during the Three Kingdoms period. Famous for his fierce, martial bravery and impetuous valor, Niu Jin served under the command of senior Wei generals including Cao Ren and Sima Yi.
During the Battle of Jiangling in 209 AD, following Cao Cao’s retreat from Red Cliffs, Cao Ren was left to defend Nanjun (Jiangling) against Zhou Yu’s grand Eastern Wu army. When Zhou Yu’s vanguard forces arrived at the city gates, Cao Ren dispatched Niu Jin with a small vanguard detachment of three hundred brave soldiers to engage the enemy. However, Niu Jin’s force was quickly surrounded and overwhelmed by several thousand Wu troops. Watching from the city ramparts, Cao Ren mounted his horse and personally charged into the thick of the enemy formation twice, breaking through the encirclement to rescue Niu Jin and his surviving soldiers. This desperate rescue made Niu Jin profoundly loyal to Cao Ren and brought him great fame within the Wei military.
In his later military career, Niu Jin served as General Who Reararms the Army (Hōujū Jiangjun) and participated in Sima Yi’s campaigns along the western and eastern frontiers. In 231 AD, during Zhuge Liang’s Fourth Northern Expedition, Niu Jin led vanguard forces under Sima Yi to engage Shu armies at Qi Mountain, defeating Shu vanguard forces. Later in 238 AD, he participated in Sima Yi’s expedition to Liaodong against Gongsun Yuan, successfully repelling Gongsun Yuan’s general Prince Bei in combat.
Despite his distinguished military service, Niu Jin met a tragic end due to court prophecy and paranoia. Sima Yi became obsessed with a popular political prophecy stating that ‘after the Horse (Sima), the Ox (Niu) shall rule the world’ (Sīmǎ hòu, Niú dāng xīng). Fearing that Niu Jin or his lineage would eventually usurp the power of the Sima family and replace the dynasty, Sima Yi secretly invited Niu Jin to a banquet and poisoned his wine. Unaware of the treachery, Niu Jin drank the poisoned cup and died shortly thereafter.
Role in Romance of the Three Kingdoms
In Luo Guanzhong’s historical novel Romance of the Three Kingdoms, Niu Jin appears as a stalwart and aggressive officer under Cao Ren and Sima Yi. He makes his dramatic debut in Chapter 51 during the Battle of Nanjun. Challenging Wu forces led by Ling Tong, Niu Jin leads three hundred men into battle but is trapped in a tight encirclement by Ding Feng and Jiang Qin. Cao Ren’s heroic rescue of Niu Jin from the thick of Wu spears becomes one of the most celebrated displays of courage in the novel. Later, in Chapter 100 through Chapter 102, Niu Jin serves under Sima Yi during the defensive campaigns against Zhuge Liang’s Northern Expeditions, performing dutifully as a vanguard commander alongside Zhang He and Sun Li.
Niu Jin (牛金) — Literary Timeline
209 AD
Siege of Nanjun and Heroic Rescue
Leads 300 soldiers to sortie against Ling Tong’s Wu vanguard; becomes encircled by Ding Feng and Jiang Qin before being heroically rescued by Cao Ren’s brave cavalry charge.
231 AD
Fourth Northern Expedition
Serves as vanguard officer under Sima Yi at Mount Qi; executes tactical ambushes against Shu Han forces retreating from the valley.
234 AD
Battle of Wuzhang Plains
Co-commands defense positions along the Wei River under Sima Yi, resisting Zhuge Liang’s final expeditionary offensive.
238 AD
Liaodong Campaign
Accompanies Sima Yi to suppress Gongsun Yuan’s rebellion in Liaodong, defeating Gongsun Yuan’s general Prince Bei in vanguard engagements.
Key Relationships
Family
- No information
Friends
- Cao Ren (曹仁, Tào Nhân): A senior Wei general who famously charged into the enemy formation at the Battle of Nanjun in 209 AD to rescue Niu Jin from encirclement, earning Niu Jin’s lifelong loyalty.
- Sima Yi (司马懿, Tư Mã Ý): The Wei regent and commander under whom Niu Jin served during the Northern Expeditions against Shu and the Liaodong campaign; he eventually ordered Niu Jin’s death due to a prophecy.
- Zhang He (张郃, Trương Cáp): A fellow Wei commander who served alongside Niu Jin as a vanguard officer during the campaigns against Zhuge Liang.
- Sun Li (孙礼, Tôn Lễ): A Wei general who served as a comrade-in-arms alongside Niu Jin during the defensive operations against the Shu Han Northern Expeditions.
Enemies
- Zhou Yu (周瑜, Chu Du): The Eastern Wu commander who besieged Nanjun in 209 AD, forcing Niu Jin into the desperate battle where he was surrounded.
- Ling Tong (凌统, Lăng Thống): A Wu general whom Niu Jin engaged during his vanguard sortie at the Battle of Nanjun.
- Ding Feng (丁奉, Đinh Phụng): A Wu general who participated in the encirclement of Niu Jin’s forces at Nanjun.
- Jiang Qin (蒋钦, Tưởng Khâm): A Wu general who helped trap Niu Jin during the Battle of Nanjun.
- Zhuge Liang (诸葛亮, Gia Cát Lượng): The Chancellor of Shu Han whose Northern Expeditions were actively opposed by Niu Jin’s vanguard forces.
- Gongsun Yuan (公孙渊, Công Tôn Uyên): The Liaodong warlord whose rebellion was suppressed by Sima Yi and Niu Jin in 238 AD.
Other
- No information
In Novel
Chapter 58
- Niu Jin (牛金, Ngưu Kim): Niu Jin serves Wei as one of Cao Cao’s field commanders in the campaigns against Wu. He is associated with the forces operating around Jingzhou and the Yangtze frontier.
Chapter 67
- Niu Jin (牛金, Ngưu Kim): Niu Jin participates in the later Wei–Wu fighting and remains a field commander under Cao Cao’s successors.
Chapter 108
- Niu Jin (牛金, Ngưu Kim): Niu Jin serves Wu/Wei frontier forces during the later conflicts between the three states and appears among the commanders involved in the campaigns of the later period.
In History
Summary
- Niu Jin (牛金, Ngưu Kim) was a military officer of Cao Wei who became associated with the campaigns of Cao Ren and the defense of Jing Province.
Year: 219 AD — Xiangyang Region
- Niu Jin served under Cao Ren during the conflict with Guan Yu. He was involved in the defense of Wei positions in the Jing Province theater.
Later Career
- Niu Jin continued to serve Wei and was later involved in campaigns against Shu and Wu.
- Historical accounts emphasize his military service rather than giving him the elaborate personal story found in later fiction.
Historical Record
- Niu Jin was a historical figure. His activities are preserved in Wei military biographies and campaign accounts.
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