Pea， as a nutritious legume crop， contains many healthy ingredients. Lots of reports had shown that its components (starch， protein， peptide， dietary fiber) have a role in regulating blood glucose. The nutrient compositions of pea were introduced. Meanwhile， their effects on blood glucose were also summarized and the mechanism was also discussed. Furthermore， the problem in utilization of pea were discussed and the research emphasis in the future was prospected， which is helpful for further development and application of pea in food industry.