Jia DiFei is a member of the Chinese Dialect Society and the Linguistic Society of Henan Province. She is a Putonghua tester of Henan Province. She studied at the Chinese Department of Sun Yat-sen University and the Institute of Language Studies of Central China Normal University. Her main research interests are modern Chinese grammar and dialect grammar.

Currently, she is mainly responsible for the courses of Modern Chinese, Ancient Chinese, and Spoken Mandarin in the major of Chinese International Education.

She has published more than ten papers in public, published the book "Comparative Study of Passive Categories in Chinese Dialects", co-edited the textbooks "College Language" and "Essay Writing", and participated in one project at national level and eight projects at provincial and departmental levels. He has won many awards in teaching competitions inside and outside the university, including three provincial awards.