Due to the development of economy and the change of people’s life style

there are more and more potential fac-tors threatening human health

which makes people’s demand for the nutrition and health function of food increasingly extensive and urgent. With the in-depth study of the relationship between the imbalance of intestinal flora and diseases

probiotics

as a beneficial bacteria to human body

have attracted people’s attention. This paper reviews the concept of probiotics

the application of probiotics in health-care food

and the health care functions of probiotics in regulating intes-tinal flora balance

promoting digestion and absorption

improving immunity and reducing cholesterol. in order to help people understand probiotics health care products objectively and correctly.