High blood sugar can eat tomatoes. Tomatoes have high nutritional value, rich in vitamin C, lycopene, citric acid, malic acid, various minerals, these nutrients are beneficial to the human body. And tomatoes glycemic index of 15, belonging to the low glycemic index food, consumption will not lead to rapid increase in blood sugar, will not produce huge fluctuations in blood sugar, more suitable for high blood sugar patients to eat, high blood sugar can be eaten in moderation. Although tomatoes have high nutritional value and low glycemic index, it is not advisable to consume too much at one time, so as not to increase the burden on the stomach and intestines as well as may cause blood sugar fluctuations. Patients with high blood sugar should choose foods with low glycemic index in their diet. People with high blood sugar should go to the hospital and cooperate with the doctor for treatment.