| Cai Fu | |
|---|---|
| Water Margin character | |
| First appearance | Chapter 62 |
| Nickname | "Iron Arm" 鐵臂膊 |
| Rank | 94th, Level Star (地平星) of the 72 Earthly Fiends |
| Chief executioner of Liangshan | |
| Origin | Prison warden and executioner |
| Ancestral home / Place of origin | Daming Prefecture (present-day Daming County, Hebei) |
| Names | |
| Simplified Chinese | 蔡福 |
| Traditional Chinese | 蔡福 |
| Pinyin | Cài Fú |
| Wade–Giles | Ts'ai Fu |
Cai Fu is a fictional character in Water Margin, one of the Four Great Classical Novels in Chinese literature. Nicknamed "Iron Arm", he ranks 94th among the 108 Stars of Destiny and 58th among the 72 Earthly Fiends.