People with high blood sugar can eat onions, but should be moderate. Onion is a vegetable, onion glycemic index is low, contains sugar as well as low calories, moderate consumption of general blood sugar will not rise rapidly, will not cause dramatic fluctuations in blood sugar, so people with high blood sugar can also eat onions in moderation. Onions are rich in vitamin C, folic acid, dietary fiber, zinc, potassium and other nutrients, these nutrients are beneficial to the human body, so you can eat in moderation. Onions are spicy and stimulating food, eat too much or eat raw may cause gastrointestinal discomfort, gastrointestinal function is not good people try to avoid eating onions. More nutrition-related knowledge is recommended to consult a dietitian, patients with high blood sugar should go to the hospital, under the guidance of the doctor standardized treatment.