Abstract:Passion fruit is a characteristic fruit with high economic and edible value. It is rich in vitamins，amino acids，dietary fiber，and other nutrients. The polysaccharides in passion fruit peels show great application potential in inflammation reduction，diabetes amelioration，anti-oxidation，gastric protection，resistance to bacteria，and other aspects. This paper reviewed recent Chinese and foreign research progress on the structural characteristics and biological activities of polysaccharides from passion fruit peels，aiming to provide theoretical support for their further investigation and development.