High blood sugar patients can eat nectarines, but it is recommended to eat in moderation. Nectarines are rich in dietary fiber, vitamin K, vitamin C, folic acid, phosphorus and other nutrients, and the glycemic index is 42, belonging to the low GI food, so patients with high blood sugar can eat nectarines, not only will not cause major fluctuations in blood glucose, but also able to replenish the body of the required nutrients. However, it is not recommended that patients with high blood sugar consume too much nectarine, after all, nectarines also contain a certain amount of sugar, if a one-time excessive consumption may cause too much blood sugar, not conducive to blood sugar control. It is recommended that patients with high blood sugar choose fruits with lower glycemic index, such as apples, pears, strawberries, etc., and do not choose fruits with high glycemic index, such as watermelon, lychee and longan. Patients diagnosed with hyperglycemia should be treated with medication under the guidance of a doctor.