Diabetes is good for the following groups of people: 1, people over 45 years old; 2, obese people; 3, pre-diabetic patients with fasting blood glucose greater than normal, but not reaching the diagnostic index of diabetes; 4, people with family history of diabetes: 25%-50% of diabetes patients have a family history; 5, people with irregular life and uncontrolled life: overeating, often staying up late, long-term sedentary, lying down, less exercise; 6. Certain drugs: long-term use of diuretics, hormone population. Through reasonable diet and exercise, some patients can avoid the occurrence of diabetes.