Feng Chengjun, courtesy name Ziheng, was born in Xiakou, Hubei Province in 1885. He attended high school in Belgium in his early years, and later entered the University of Paris in France, where he obtained a bachelor's degree in law.

Then he studied at the Collège de France for two years.

During his stay in France, he made friends with the great scholars in Western Europe at that time, such as Shawan, Shahaiang, E. Rousseau, Pelliot, Mouli, etc.

He also often went to the National Library in Paris to read extensively and benefited a lot.

He returned to China in 1911 and served successively as counselor of the Hubei Foreign Affairs Department, secretary of the House of Representatives, and secretary of the Ministry of Education. In 1920, he served as a professor at Peking University and Beijing Normal University, a member of the legislative codification committee, and an editor of the China Education and Culture Foundation.

In his spare time, he devoted himself to translation work and translated many works.

Proficient in English, French, Sanskrit, Mongolian and Belgian, specializing in border history, Chinese and Western transportation history and Yuan history.

He is the author of "History of Transportation in Nanyang of China", "A Tocharian Textual Research on the Archeology of Western China", etc.; he has translated "History of Duosang Mongolia", "Historical Materials of Western Turks", "Marco Polo's Travels", etc.; he has translated many works

It is compiled into "Historical and Geographical Research" and "Historical and Geographical Research Translation Series of the Western Regions and South China Sea (Volume 3)".

However, after the age of fifty, he suffered from rheumatic paralysis and his physical strength declined. Therefore, the later translations were dictated by him and ghostwritten by his eldest son Xianshu.

He died of illness in 1946 at the age of sixty-one.