Appropriate consumption of melon by diabetic patients generally does not have serious consequences, but if a large amount of food at one time or a large amount of food for a long period of time may cause indigestion, poor blood sugar control and other consequences. Melon is a common fruit, rich in vitamins, dietary fiber and other nutrients, diabetic patients can eat appropriate melon, generally will not have serious consequences; however, melon contains a certain amount of sugar and calories, if a one-time large amount of food not only will cause indigestion, but also may cause large fluctuations in blood sugar. Eating large amounts of melon over a long period of time is not conducive to blood glucose control, and poor long-term blood glucose control may lead to serious complications such as diabetic nephropathy and diabetic retinopathy. Patients diagnosed with diabetes should actively cooperate with the doctor’s treatment, can consult a professional doctor to develop an individualized diet plan.