The sugar content of tomatoes is low, normal people eat tomatoes or high blood sugar patients eat a small amount of tomatoes will not obviously rise blood sugar, high blood sugar patients eat a lot of tomatoes may lead to elevated blood sugar. Tomatoes are rich in vitamin C, dietary fiber, minerals and other nutrients, and the sugar content and glycemic index are low, belonging to the low glycemic index food, diabetic patients or healthy people can be appropriate to eat tomatoes, to help the body healthy. It is important not to eat too many tomatoes at one time to avoid abdominal pain, flatulence, diarrhea, indigestion and other gastrointestinal discomforts. Consult your physician or dietitian for specific dietary combinations. Patients diagnosed with high blood sugar should also cooperate with their doctors to standardize the use of medication.