Inner membrane of Galli Gigerii Endothelium Corneum derived from the inner wall of the dry stomach of Callus gallus domesticus Brisson.It mainly contains components such as protein,amino acids,polysaccharides and trace elements.As an edible traditional Chinese medicine,Galli Gigerii Endothelium Corneum is not only a good medicine for promoting digestion,but also has good curative effects in the treatment of oral ulcer,urolithiasis,diarrhea,gynecological diseases,etc.It has a wide development prospect.This paper summarizes the research progress on the source,processing,chemical composition,quality evaluation,pharmacological effects,clinical and comprehensive utilization of inner membrane of chicken gizzard,and provides references for its future in-depth research and development and utilization.