Patients with high blood sugar can eat onions in moderation. Onion as a common vegetable, contains a small amount of protein, contains a certain amount of carbohydrates, dietary fiber, folic acid, vitamins and a variety of mineral components, high blood sugar patients moderate intake of onions can supplement the body’s nutritional needs. However, it should be noted that patients with high blood sugar in the consumption of onions should pay attention to the production of onions, such as fried onion rings, this time should try to eat as little as possible, so as not to cause blood sugar fluctuations. It is recommended that patients with high blood sugar follow the doctor’s instructions to eat a reasonable diet, usually pay attention to low-salt, low-fat, low-sugar diet, strict control of total energy intake.