Abstract:Indigestible dextrin is low-calorie dietary fiber,with many physiological functions such as reducing blood fat and pressure,preventing blood glucose increase and diseases,enhancing stomach function and facilitating proliferation of probiotic bacteria. Since the people pay more and more attention on the healthcare function of food,indigestible dextrin will have a broad market prospect. To promote its sustainable and healthy development,the physical,chemical and structure property,research progress,physiological function,application field and market profile of indigestible dextrin were summarized and analyzed in this manuscript.