The content of health education includes blood glucose testing methods, the significance of blood glucose control, and the normal range of blood glucose; the mechanism, symptoms, prognosis, and types of diabetes; methods, goals, and meanings of diet control; the amount of exercise during exercise, the choice of exercise time, etc.; the impact of negative emotions on diseases and how to control negative emotions; side effects, indications, dosages, and time of administration of hypoglycemic drugs; and use, storage, injection methods and dosages of insulin. This evidence concerns the gene INS and diabetes mellitus.