Zein is a kind of natural protein extracted from corn embryo. It has been widely used in food and pharmaceutical field based on its biocompatibility

biodegradability

and film-forming ability. In recent years

there are many studies on zein as drug carrier. In this paper

the research of composition and properties of the zein were briefly summarized

and the application of zein as drug carrier which including tablet

microspheres

nano-fibers

in situ gel and polymer micelle were mainly summarized according to the different forms of drug carrier. At the same time we have reviewed the advantages and disadvantages of zein as drug carrier which will provide reference to other colleagues.