There are three sources of Chiang's. One is to take the country name as the surname, which originated from the Yuan surname, after Boyi. The descendants of Boyi were sealed in Jiangling and established Jiangguo. During the Spring and Autumn Period, Jiang Guo was destroyed by Chu, and the descendants of Jiang Guo took Jiang as their surname, hence the name Jiang. The second is from Weng. In the early Song Dynasty, Fujian Weng Gan gave birth to six sons, named Hong, Jiang, Weng, Fang, Gong and Wang, and his son Gong was named Jiang. The third is to change the surname. There are Lu and Xiao surnames changed to Jiang surnames.

Jiang's ancestral home is Zhengyang, Henan. After the demise of Jiang Guo, some members of the Jiang family went north to Huaiyang (now Henan), then moved north to Chenliu County (now Yu Town, Qixian County, Henan), and then moved to Kaocheng, Jiyang (now Lankao, Henan). Some fled to Qi (now Linzi, Shandong), Lingyang (now Shidi, Anhui) and Yunyang. In the Western Han Dynasty, Jiang moved to the south of Jishui, Shandong. During the Jin Dynasty, someone moved to a cool place (now Gansu). Tang Shijiang's surname has spread all over the northern region. Jiang moved to Fujian in the early Tang Dynasty. In the early Ming Dynasty, Jiang, as an immigrant of Sophora japonica in Hongdong, Shanxi, moved to Jiangsu, Zhejiang, Shandong, Henan and Hunan. During the Ming and Qing Dynasties, Jiang entered Taiwan Province Province and later moved overseas. Now there are many Jiang surnames, especially in Jiangsu, Guangxi, Anhui, Sichuan, Guangdong, Hubei, Fujian and other provinces.

Jiang's historical figures include Jiang Tong and people from the Western Jin Dynasty. He has literary talent and is the author of On Migration. Jiang Yan was a writer in the Southern Dynasties in A Liang. He was famous for his articles in his early years, but his poems in his later years were not as good as those in the previous period, so an old friend said, "Jiang Lang is done." Most of his poems are imitations of the old, among which "Hate Fu" and "Bie Fu" are the most famous. Jiang Yong, a Confucian scholar and phonologist. Know astronomy and geography, concentrate on the notes of thirteen classics, and study hard for three rituals. Good at temperament and finishing. Fan Jiang, a classic scholar in Qing Dynasty. Wide group of classics, intensive study of exegesis, works of poetry and prose, home in thousands of books. He was hired by Ruan Yuan as the dean of Li Zheng College. He is the author of The History of Sinologists in the National Dynasty and The Origin of Learning in the Song Dynasty, which divides Confucian classics into two schools, Han and Song, and Han suppressed Song.

Jiang's family ranks 14 1 among hundreds of surnames.