Diabetic patients can eat plums, but should pay attention to the right amount to avoid excessive blood sugar fluctuations. Diabetes mellitus is a chronic disease caused by insulin secretion and (or) utilization disorders, often manifested clinically as a large amount of food, weight loss, increased water intake and urine output. Plum glycemic index of 24, is a low glycemic index fruit, containing protein, carotene, vitamin B1, vitamin B2, minerals and other nutrients, diabetic patients can eat plums in moderation. But should avoid excessive consumption within a short period of time to prevent rapid increase in blood sugar, aggravating the condition. Diabetic patients should have a balanced diet, avoid eating too much high-carbohydrate food in a short period of time, control the intake of sugar, salt and oil, and recommend whole grains and vegetables. In addition, they should exercise moderately, maintain a healthy weight and monitor their blood sugar regularly. Patients diagnosed with diabetes, in addition to a reasonable diet, appropriate exercise, but also need to standardize the use of medication under the guidance of the doctor.