With the improvement of people’s living standards, diets are becoming more and more diversified.  The way of unhealthy diets has led to a growing number of sub-healthy people such as diabetes and dental caries caused by more sugar intake. And xylitol, xylose and other substances can effectively replace sugar in life.      Xylitol has the function of preventing dental caries and regulating the stomach and intestines, and what’s more, it can be metabolized without participation of insulin after entering the human body. It will not increase blood sugar level in human body. So it can be as a sweetener for diabetic patients. To a certain extent, it can stabilize the blood sugar level in human body.