Objective:To observe the effect of Hedysarum Polybotys Saccharide on blood lipid and blood glucose of 12 weeks old diabetic db / db mice,in order to further evaluate the regulatory effect of Hedysarum Polybotys Saccharide on glucose and lipid metabolism disorder in type 2 diabetes mellitus. Methods:40 db / db mice of 12 weeks old male SPF grade BKS background obesity and type 2 diabetes mellitus were randomly divided into Hedysarum Polybotys Saccharide( HPS) high dose group,middle dose group,low dose group ...