Diabetic patients can consume plums in moderation or in small quantities, but it is not recommended to consume large quantities so as not to cause drastic fluctuations in blood sugar. Plums are one of the common fruits in daily life, in which each 100 grams contains 167 kilojoules of energy, 8.7 grams of carbohydrates, 150 milligrams of carotene and 144 milligrams of potassium and other nutrients, which can replenish the body’s energy and nutrients. Plums have a glycemic index of 24, which is a low-glycemic index food, so they can be preferred by diabetics, and moderate or small amounts of consumption have little effect on blood sugar. However, it is not recommended to consume large quantities, which may lead to a rise in blood sugar. Diabetic patients should pay attention to reasonable diet and exercise, regular use of medication, regular monitoring of blood glucose. Diabetic patients should follow the doctor’s advice to control blood sugar, low sugar diet, so as not to cause poor blood sugar control.