程咬金，原名咬金，后更名知节，字义贞，济州东阿（今山东东平西南）人。唐朝开国名将，凌烟阁二十四功臣之一。 隋朝末年，程咬金先后入瓦岗军、投王世充，后降唐。随李世民破宋金刚、擒窦建德、降王世充，以功封宿国公。参与玄武门之变，历泸州都督、左领军大将军，改封卢国公，世袭普州刺史。 麟德二年（665年），程咬金去世，享年七十七岁。李治下诏追赠骠骑大将军、益州大都督，谥号"襄"。陪葬昭陵。其事迹常见于各种文学作品。 程咬金传是田连元大师的评书作品，来自隋唐演义。

Cheng Yaojin, formerly known as Yaojin, is later renamed Zhijie Yizhen, a native of Jeju Donga (now southwest of Dongping, Shandong), the founding general of the Tang Dynasty, one of the twenty-four heroes of Lingyan Pavilion. At the end of the Sui Dynasty, Cheng Yaojin successively enters the Wagang Army, supports Wang Shichong, and then surrenders to the Tang Dynasty. He follows Li Shimin to break the Song King Kong, capture Dou Jiande, and cast down Wang Shichong, and use his merits to make the Su Guogong. He participates in the revolt of Xuanwumen, becomes Luzhou governor and general, and is renamed Lu Guogong, Puzhou governor. In the second year of Linde (665), Cheng Yaojin dies at the age of 77. Under Li Zhi's imperial order, he bestows the posthumous title "Xiang" as a gift to General Hussar and Governor of Yizhou. His deeds are commonly seen in various literary works. The Story of Cheng Yaojin is a storytelling work by Master Tian Lianyuan, about the Sui and Tang Dynasties.